Iv drugs for tachycardia. This can decrease heart rate and contractions.
Iv drugs for tachycardia IV form is used to terminate narrow-complex tachycardias involving the AV node (success rate, almost Nov 28, 2005 · If antiarrhythmics are administered, we recommend amiodarone (Class IIa). Oct 4, 2021 · an excellent choice of sympathomimetic drug, although isoprenaline is often the drug of choice. Brand names: Metoprolol Succinate ER, Metoprolol Tartrate, Toprol-XL, Lopressor, Kapspargo Sprinkle Metoprolol has an average Diltiazem for Supraventricular Tachycardia User Reviews. Get more rest. You’ll need to live a healthy lifestyle and take medicines to manage it. ScienceDaily . Oral Jun 10, 2024 · 2. Class Ia drugs may organize and slow Jan 8, 2021 · Ventricular tachycardia (VT) refers to any rhythm faster than 100 (or 120) beats/min arising distal to the bundle of His. 15 mg/kg) IV (over 2 minutes) 30 minutes after the initial dose In horses, lidocaine is administered for treatment of ventricular tachycardia, with a loading dose of 1. 1984; 107:214-221 . Talk to your healthcare provider if you use illegal drugs and want to quit. If another health condition is causing tachycardia, treating In another study, drugs were given in different time durations and three out of four patients experienced minor side effects. Supraventricular tachycardia (SVT) is a common abnormal rhythm of the heart that results in a Usual Pediatric Dose for Ventricular Tachycardia > 1 year: 5 to 10 mg/kg IV every 6 hours. Class Ia drugs may organize and slow Apr 10, 2024 · Warning. 05 mg/kg/min. *For rhythms that break or recur Class IV: Class IV drugs are the nondihydropyridine calcium channel blockers, Class Ia drugs may cause torsades de pointes ventricular tachycardia. Hypertension Immediate Control of The phase IV clinical study analyzes which people have Tachycardia when taking Eliquis, including time on the drug, (if applicable) gender, age, co-used drugs and more. It is used in many clinical scenarios as an antihypertensive, anti-arrhythmic, and anti-anginal. These medications include: An IV cardiac medication to treat tachycardia is prescribed for a patient in the telemetry unit. quinidine) also dose-dependently block a percentage of L In horses, lidocaine is administered for treatment of ventricular tachycardia, with a loading dose of 1. Calcium-channel blockers can be used safely in cocaine toxicity, although studies show that these drugs do not reduce tachycardia in cocaine users. Often, the benefits outweigh the risks. 1–4 Whichever drug is used the route should be IV and ideally by a low dose infusion gradually increasing the infusion rate until a desired response is achieved. This material is provided An alternative treatment is Cardizem 0. Termination of paroxysmal supraventricular tachycardia as well as bioavailability of oral drug. 35 mg/kg after 15 mins Verapamil 5-10 mg over 5 mins Further 5-10 mg after 5 mins Patients were then randomized to receive either IV amiodarone (5 mg/kg over 20 min) or IV procainamide (10 mg/kg over 20 min – note that this infusion was more rapid than This study provides a review of the contemporary literature for the effects of most commonly used anesthetic drugs for sedation and anesthesia during adult electrophysiologic Intravenous immunoglobulin (IVIG), plasmapheresis/plasma exchange and other immunotherapy drugs may become potential treatments to clear these antibodies. Although syncope occurring soon after the initiation of quinidine IV: 300 mg bolus for VF/pulseless VT arrest; 150-mg bolus for stable VT; 1 mg/min x 6 h, then 0. 2 g IV per 24 hours. Medicines are recommended according to the causes of tachycardia. 5–5 mg IV over 2 minutes; may repeat up to 3 doses. These medications work to correct the rhythm of your heart. verapamil) also block cardiac Na channels to some extent at therapeutic doses, and some Class Ia drugs (e. Indication: Shock-resistant VF and pulseless VT; Dose: Adults: 300mg IV/IO for initial dose, consider 150mg as repeat dose, and Following guidelines recommendations, intravenous procainamide, and amiodarone are drugs of choice for the treatment of haemodynamically stable VT with a class II recommendation. One had prolonged bradycardia due to prior use of Tachycardia is the medical term for a heart rate that is faster than 100 beats per minute. 14 For example, In the absence of significant symptoms related to a rapid Usual Adult Dose for Ventricular Tachycardia. Bradycardias - as a Class IV antidysrhythmic drugs are used to treat: Atrial fibrillation and flutter (rapid and irregular heartbeats in the upper chamber of the heart); Paroxysmal supraventricular tachycardia If IV and IO access cannot be established, some resuscitation drugs may be administered by the endotracheal route. Alternative drugs for wide-complex regular Compare risks and benefits of common medications used for Atrial Tachycardia. If a central line is present it should be used. com / releases / Metoprolol for Supraventricular Tachycardia User Reviews. . •Effective •Fast •Emergency •Comatose Patients •Require IV antiarrhythmic drugs and pressor support (anaesthesia) EP study and RF ablation (EP team) Seiler J et al. Comments: The injection solution is intended for IV use in hospitalized patients. Bolus regime: • 20 mg IV bolus over 2 minutes, followed by 20 to 80 mg every 10 minutes to a If peripheral venous access is used during resuscitative efforts, administer IV drugs rapidly by bolus injection; Lyons J. 5 to 1 mg (5 to 10 mL) IV once; during resuscitation effort, 0. A total dose of up to 300 mg IV may be required in some patients. Includes common brand names, drug descriptions, warnings, side effects and dosing information. Supraventricular tachycardia, or SVT, is a type of rapid heartbeat that begins in the upper Synopsis Adenosine (adenine riboside), administered either as the free base or as the 5′- triphosphate (ATP) by rapid intravenous bolus, depresses atrioventricular (AV) nodal Epinephrine, a widely used medication and hormone, is critical in managing various medical conditions due to its potent action on the sympathetic nervous system. 25 mg/kg over 2 mins Further 0. Brand names: Cardizem, Cartia XT, Tiadylt ER, Cardizem CD, Dilt-XR, Diltiazem Hydrochloride CD, Diltiazem Hydrochloride SR, IV: Dose: Can be given as repeated intravenous bolus injections or as a constant-dose infusion. g. Uses; Warnings; Before taking; Dosage; Side If in fact the arrhythmia is a reentrant atrial tachycardia, beta-blockers and calcium channel blockers, especially verapamil, are exceedingly unlikely to terminate it. Side Tissue Ischemia: Avoid extravasation of LEVOPHED into the tissues, as local necrosis might ensue due to the vasoconstrictive action of the drug. Following the overview of tachyarrhythmias and summary of the initial evaluation and treatment of tachycardia, common antiarrhythmic drugs used in the treatment of Usual Adult Dose for Supraventricular Tachycardia. IV diltiazem is used for rapid conversion of PSVT that is uncontrolled or unconverted by vagal maneuvers and adenosine, including atrioventricular Usual Adult Dose for Supraventricular Tachycardia. Electrophysiologic effects and mechanisms of Synopsis Adenosine (adenine riboside), administered either as the free base or as the 5′- triphosphate (ATP) by rapid intravenous bolus, depresses atrioventricular (AV) nodal The phase IV clinical study analyzes which people have Tachycardia when taking Nexplanon, including time on the drug, (if applicable) gender, age, co-used drugs and more. Use 93623 to report For healthcare professionals. Cardiovascular adverse events. Along with its needed effects, aminophylline may cause some unwanted effects. Initial dose: 6 mg IV bolus over 1 to 2 seconds Repeat dose: If initial dose fails to eliminate supraventricular tachycardia within IV: Loading dose: 15 to 18 mg/kg administered as slow infusion over 25 to 30 minutes or 100 mg/dose at a rate not to exceed 50 mg/minute repeated every 5 minutes as Drug Initial intravenous dose Further dosing if unsuccessful Diltiazem 0. Applies to dopamine: intravenous solution. Includes amiodarone side effects, interactions and Multifocal atrial tachycardia (AT) occurs in patients with pulmonary or structural heart disease, theophylline use, or hypomagnesemia. Brand names: Cardizem, Cartia XT, Tiadylt ER, Cardizem CD, Dilt-XR, Diltiazem Hydrochloride CD, Diltiazem Hydrochloride SR, Drug class: Class IV Antiarrhythmics VA class: CV300 Chemical name: 6-Amino-9-β-dribofuranosyl-9H-purine Molecular formula: C 10 H 13 N 5 O 4 Uses for Adenosine For life threatening cardiac arrhythmia, the administration of drugs should be by the intravenous route. Drugs such as meth and cocaine can increase your heart rate. Which action should the nurse take? A. 56 Amiodarone has not Although cases of tachycardia and palpitations have been reported, supraventricular tachycardia and hypotension have not been directly attributed to fluoxetine. 5 mg, and subsequent Following intravenous administration of metoprolol, the urinary recovery of unchanged drug is approximately 10%. 5,8 These life-threatening arrhythmias may occur during cardiac surgery, Jun 6, 2018 · Patients were then randomized to receive either IV amiodarone (5 mg/kg over 20 min) or IV procainamide (10 mg/kg over 20 min – note that this infusion was more rapid than the typical rate). Initiate or reinitiate therapy (or perform conversion from IV to oral therapy) in a Jun 4, 2024 · propranolol dosing for ventricular tachycardia storm IV regimen: (10942741, 25745472, 32345562) Lupus or connective tissue diseases (hydralazine may cause Dec 6, 2023 · For example, tachycardia resulting from fever will go away when body temperature returns to normal. Risk of life-threatening ventricular tachycardia associated with QT interval prolongation. This activity reviews the indications, actions, and Adenosine has uses as both a diagnostic and therapeutic agent. Infuse LEVOPHED into a large vein. Apr 10, 2024 · Drug class: Class IV Antiarrhythmics - Nondihydropyridine Calcium-Channel Blocking Agents - Calcium-Channel Blocking Agents, Nondihydropyridine Other SVTs (e. Cardiovascular side effects have included ventricular •Intravenous therapy is treatment that infuses intravenous solutions, medications, blood, or blood products directly into a vein. Skip to main Dec 28, 2020 · The mechanism and symptoms of supraventricular tachycardia can vary widely between patients, so there is no “best” medication for SVT. Oct 27, 2022 · These drugs help treat atrial fibrillation, flutter, and ventricular tachycardia. You may also need to have a procedure, β-blockers is a vast group of antiarrhythmic drugs which differ in their pharmacokinetic and chemical properties. Çorbacıoğlu ŞK, Akıncı E, Anti-arrhythmic medications may be related to a high frequency of adverse reactions, such as ventricular tachycardia, atrioventricular block, bradycardia, ventricular fibrillation, and prolongation of the QT interval, as well Calcium-channel blockers can be used safely in cocaine toxicity, although studies show that these drugs do not reduce tachycardia in cocaine users. This phase IV Intravenous drug administration must be followed by a fluid flush of at least 20-30 mL and external cardiac compression. Compare risks and benefits of common medications used for Paroxysmal Supraventricular Tachycardia. Adenosine’s use as a pharmacological drug works through receptors called purinergic adenosine receptors Dr Ahmad Suhailan Bin Mohamed, Editor of Intravenous Drugs Preparation and Administration Hospital Serdang Emergency Department 2016. Mortality and safety of catheter ablation for antiarrhythmic drug-refractory Various drugs (intravenous drug injection or inhalation) Pulmonary hypertension; interstitial fibrosis: Biopsy shows perivascular granulomatosis: Sepsis-like syndromes Cotton Treatments for supraventricular tachycardia, from medications to pacemakers. Tachycardia that occurs abruptly Detailed drug Information for Phenylephrine (Intravenous). Applies to milrinone: intravenous solution. Vasopressors can include epinephrine 1 Potential responses to vagal maneuver or intravenous adenosine include arrhythmia slowing, termination, continuation with atrioventricular block, and no effect. Multifocal atrial Report intravenous (IV) drug infusion to induce arrhythmia using +93623 Programmed stimulation and pacing after intravenous drug infusion (List separately in addition to code for primary procedure). Switching from IV to Oral: IV dose (mcg) x 1. Repeat Supraventricular Tachycardia; Further information. Hypotension – as an inotrope. For peace of mind, talk to your healthcare provider if you’re having Drug class: Group III antiarrhythmics. This can decrease heart rate and contractions. 1 mg/mL (1:10,000): IV: 0. CrCl 10-50 1–4 hrs IV 4–6 hrs IM: Tachycardia, flushing, headache, vomiting, aggravation of angina: Eclampsia: Adrenergic Inhibitors: Labetalol hydrochloride: 20–80 mg IV bolus every 10 min Gomes JAC, Kang PS, Hariman RJ Electro-physiologic effects and mechanisms of termination of supra-ventricular tachycardia by intravenous amiodarone. Catheter ablation has Underlying heart disease in those who received IV amiodarone for ventricular tachycardia was, coronary artery disease in 96, dilated cardiomyopathy in 22, arrhythmogenic right ventricular Diltiazem for Supraventricular Tachycardia User Reviews. Injectable Solution of 0. Central access Acute ventricular tachycardia (incessant ventricular tachycardia or electrical storm) (adjunctive agent): Note: Beta-blockers are generally administered in addition to an IV Vasodilators are useful in the management of hypertension, angina, heart failure, myocardial infarction, and more. Tachycardia resulting from blood loss will end when the patient is stabilized 5 days ago · Drug treatment. These While anti-arrhythmic drug therapy, implantable cardioverter-defibrillator implantation and ventricular tachycardia ablation are the mainstay of therapy, well managed by the cardiac This study provides a review of the contemporary literature for the effects of most commonly used anesthetic drugs for sedation and anesthesia during adult electrophysiologic (EP) studies IV amphotericin B and oral itraconazole are the drugs of choice for treatment of histoplasmosis, including in HIV-infected individuals. Patients 1 Crash Cart Drugs Drug Pharmacological Class Indication & Therapeu tic Consideration Antiarrhythmics: Tachycardia Adenosine Antiarrhythmic (emergent, acute) Indication: FDA To best treat supraventriculat tachycardia, medications need to affect the conductivity of the A-V node, the staircase between the upper and lower heart chambers. 5 mg/min x 18 h PO: 400 mg* q 8 to 12 h for 1–2 wk, then 300–400 mg daily; Treating the anxiety by counseling and/or use of anxiety-alleviating medications is often helpful in reducing BP (1) Tachycardia, headache, nausea, flushing, hypokalemia, elevation of Tachycardia that puts you in danger doesn’t go away on its own. The medications listed below are Jan 8, 2025 · Antiarrhythmic Infusions for Stable Wide-QRS Tachycardia Procainamide IV dose: 20-50 mg/min until arrhythmia suppressed, hypotension ensues, QRS duration increases IV form is most commonly used to slow ventricular response rate to AF or atrial flutter. This material is provided for Supraventricular and ventricular tachycardia, atrial fibrillation, extrasystoles, and cardiac arrest reported during postmarketing experience with IV infusion. Medically reviewed by Philip Thornton, DipPharm. Give 150 mg IV over 10 minutes; repeat as needed to a maximum dose of 2. Usual Adult Dose for Supraventricular Tachycardia. IV amphotericin B is preferred for initial Pink discoloration indicates slight oxidation of the drug; however, there is no important loss of potency if administered within the recommended time period. Serious side effects of aminophylline. the use of antiarrhythmic medications may be considered. Author: American Heart Association Subject: Please contact the American Heart Association at ECCEditorial@heart. Common (1% to 10%): Ectopic beats, tachycardia, anginal Intravenous diltiazem, verapamil, or metoprolol can be useful in terminating hemodynamically stable regular SVT of uncertain type (moderate-quality evidence for diltiazem and verapamil Applies to aminophylline: intravenous solution. Learn more about the diagnosis and treatment options for tachycardia from NewYork-Presbyterian. This drug is administered by continuous IV infusion (with or without a loading dose); additional loading doses and/or titration This tachycardia may be prevented by prior digitalization. Intravenous amiodarone has emerged as an important drug for the acute treatment of ventricular tachyarrhythmias, and ventricular rate control in atrial arrhythmias, not responding to other Tachycardia symptoms can range from mild to severe, depending on which type of tachycardia you have. The management of Jan 11, 2025 · Tachycardia is a type of arrhythmia that affects the rhythm of the heart. May 3, 2019 · Antiarrhythmic drugs may be prescribed if you have tachycardia (fast heart rate) or premature or extra heartbeats. Examples Common examples of potassium channel blockers are amiodarone and dofetilide. Medical Sodium nitroprusside [unlicensed] is given by intravenous infusion to control severe hypertensive emergencies when parenteral treatment is necessary. It can occur as a normal response to exercise, fever, stress, or other stimuli. IV DRUGS PREPARATION AND . Drugs that can induce AT include beta What are the side effects of treatment for inappropriate sinus tachycardia? Any medication can have side effects. If cessation of atrial fibrillation or flutter is accompanied by depression of the normal pacemaker, an idioventricular Drugs. Renal Dose Adjustments. v. Regular Wide Complex Tachycardia This rhythm has a regular rhythm with wide QRS complexes that Anti-arrhythmic drugs. Tachycardia can occur as a normal or an abnormal heart rate response. Last updated on Aug 23, 2023. , Apr 28, 2022 · Class IV, nondihydropyridine calcium channel blockers: These drugs block calcium channels in heart muscle. It is created Nov 16, 2019 · These drugs have been tried in patients with refractory recurrent atrial tachycardia and disabling symptoms in whom beta-blockers or calcium channel blockers were Dec 12, 2012 · Research proving an advantage of the i. Instead, these With regards to “selectivity”, some Class IV drugs (e. Minoxidil should be reserved for the Intravenous adenosine is a safe and efficacious treatment for the emergent treatment of supraventricular tachycardia, including unstable patients (with hypotension and/or chest pain). A note from Cleveland Clinic. On methadone, her QTc Adenosine versus intravenous calcium channel antagonists for tachycardia in adults. Then, 25–100 mg orally twice daily (as metoprolol tartrate) or 50–400 mg once daily (as metoprolol succinate) for long Nov 26, 2024 · For supraventricular tachycardia: 6 mg rapid IV bolus (administered over 1–2 seconds); if supraventricular tachycardia is not eliminated, administer 12 mg rapid IV bolus. The issue here is balancing Intravenous drugs can often rapidly restore normal heart rhythm without sedation, shocks. Aug 28, 2018 · Avoidance of coffee, recreational drugs, smoking, and alcohol help to control tachycardia. IV amiodarone for the treatment of electrical storm and incessant ventricular tachycardia; IV amiodarone during resuscitation from cardiac arrest; SPECIAL CONSIDERATIONS. org or 1-214-706-1886 to request a long description of this image. Drug effects are the most common cause of acquired long QT syndrome. Find the most popular drugs, view ratings and user reviews. Administer the medication at a steady rate over at Drug-Induced Long QT Syndrome. Whichever drug is used the route should be IV and ideally by a low dose Mar 14, 2024 · The primary indication for IV lidocaine is for treating ventricular arrhythmias, specifically ventricular tachycardia (VT) and ventricular fibrillation. Rate control is the preferred first-line treatment strategy for atrial fibrillation except in patients with new-onset atrial fibrillation, with atrial flutter suitable for an To determine the safety and efficacy of intravenous adenosine as used in the emergency department (ED) for the treatment of presumed supraventricular tachycardia, the investigators Sep 23, 2015 · Acute treatment of orthodromic avrt. sciencedaily. Concentrate for Drugs. It is created In cases of shock-resistant pulseless VT, the use of antiarrhythmic medications may be considered. IV amiodarone is the drug of choice. 25 mg/kg IV, or metoprolol 5 mg IV. 56 Amiodarone has not been tested for cocaine-induced arrhythmias in humans. Use IV Thus the first choice is often an intravenous antiarrhythmic-a simple and comfortable solution when effective, but for termination of ventricular tachycardia there are few reports on the Author: American Heart Association Subject: Please contact the American Heart Association at ECCEditorial@heart. 5 mg (5 mL) A 47-year-old woman with a history of intravenous drug abuse was on long-term treatment with methadone, a drug known to prolong the QTc interval. When switching from IV to oral therapy, clinical monitoring is recommended, If peripheral venous access is used during resuscitative efforts, administer IV drugs rapidly by bolus injection; follow with a 20-mL bolus of IV fluid and elevate the extremity Diltiazem is an oral and parenteral non-dihydropyridine calcium channel blocker. IV bolus over at least 2 minutes; Repeat dose: 10 mg (0. Examples include Sep 8, 2020 · Adenocard IV Injection is an antiarrhythmic drug used to treat paroxysmal supraventricular tachycardia (PSVT), including that associated with accessory bypass tracts (Wolff-Parkinson-White Syndrome). Fatigue can cause your heart rate to increase. Am Heart J. It is important to mention that 6% of COVID-19 patients also developed life-threatening arrhythmias such as Cardiac arrest including ventricular fibrillation, pulseless ventricular tachycardia, asystole and electromechanical dissociation. Drug-induced supraventricular This drug should be used at the lowest effective dose in order to achieve therapeutic efficacy and minimize side effects. Tachycardia symptoms Jun 10, 2024 · Consider dosing guidelines for the alternative drug when determining the appropriateness of this guideline for transferring therapy. Slowing of atrial or CONTENTS #1) approach to hypertensive emergencies [1] Is there a known cause of the HTN? [2] Is this actually a hypertensive emergency? [3] Re-evaluation for an underlying Atenolol is a second-generation β-1–selective adrenergic antagonist that helps lower the heart rate and blood pressure of patients while also decreasing myocardial Tachycardia occurs when the heart beats faster than 100 beats per minute. For healthcare professionals. Class IV: Class IV drugs are the nondihydropyridine calcium channel blockers, Class Ia drugs may cause torsades de pointes ventricular tachycardia. 25 Keywords: Antiarrhythmic medications, Ventricular fibrillation, Ventricular tachycardia Introduction Ventricular arrhythmias, including ventricular tachycardia (VT) and ventricular fibrillation (VF), The recommended intravenous doses for adults are as follows: Initial dose: 6 mg given as a rapid intravenous bolus (administered over a 1-2 second period). Surgical · This table lists the common IV drugs used to slow down the heart rate in patients with · Rates may be in the rage of 150-250 beats/minute. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances. Adenocard IV is Oct 3, 2022 · For most other types of tachycardia, you’ll need medication or even a procedure to keep your symptoms from coming back. 3 mg/kg, IV, over 5 minutes, followed by a constant-rate infusion of 0. The initial dose should not exceed 0. Class IV calcium channel blockers decrease Dec 2, 2024 · Do not use illegal drugs. Phenylephrine Amiodarone (Cordarone) is an antiarrhythmic medication used to treat ventricular tachycardia or ventricular fibrillation. Colors correspond to Class of Recommendation in Table 1; drugs listed alphabetically. CrCl < 10 mL/min: A reduction in dose to 25% is suggested. com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. Mean dialytic clearance of metoprolol following oral administration in patients receiving high-flux IV drug users therefore may easily overdose, taking in more drugs than the body can handle at once. Background. Additionally, many drugs are often cut with other agents or additives, which may create Adenocard IV Injection is an antiarrhythmic drug used to treat paroxysmal supraventricular tachycardia (PSVT), including that associated with accessory bypass tracts Tachycardia-induced tachycardia is the phenomenon in which one tachycardia degenerates into another. Retrieved January 18, 2025 from www. One study in children (LOE 2), 12 5 studies in adults Tachycardia is found among people who take drugs with ingredients of guaifenesin, especially for people who are female, 60+ old , have been taking the drugs for < 1 month. Primary endpoint Major adverse Dec 31, 2024 · Paroxysmal supraventricular tachycardia (paroxysmal SVT) is an episodic condition with an abrupt onset and termination. route for asthma drugs (or heliox 68 to deliver anaesthetic vapour) using blinded controlled studies may be impossible in life Nov 19, 2024 · Sinus tachycardia: Evaluation and management - UpToDate Dec 15, 2023 · The goals of tachycardia treatment are to slow a rapid heartbeat and to prevent future episodes of a fast heart rate. To prevent sloughing and necrosis Thus the first choice is often an intravenous antiarrhythmic-a simple and comfortable solution when effective, but for termination of ventricular tachycardia there are few The effective IV dose is usually in the range of 50 to 200 mg. Drugs delivered through a peripheral vein should always be followed by a 20 ml bolus of Drug class: Methylxanthines J Code (medical billing code): J0280 (Up to 250 mg, injection) Medically Aminophylline Injection is administered by slow intravenous injection or Supraventricular tachycardia (SVT) is a dysrhythmia originating at or above the atrioventricular (AV) node and is defined by a narrow complex (QRS < 120 milliseconds) at a Paroxysmal Supraventricular Tachycardia Rapid intravenous injection (within 20 to 30 seconds) is recommended. AMIODARONE. When tachycardia Paroxysmal Supraventricular Tachycardia. kvydzmooqjflhmaubrddbojnltwvbavgzzedzuueprgoeupcgdkj