WQRS-internist
... Treatment when in doubt Stable or unstable-Electricity If possible, get 12-lead ECG first If electricity does not work ...
... Treatment when in doubt Stable or unstable-Electricity If possible, get 12-lead ECG first If electricity does not work ...
Arrhythmias
... of conduction to allow the atria to contract before the ventricles. Then the impulse reaches bundle of Hiss in the interventricular septum , then along the 2 bundle branches (left & right) & finally Purkinje fibers to terminate in the ventricular myocardium causing ventricular contraction. ...
... of conduction to allow the atria to contract before the ventricles. Then the impulse reaches bundle of Hiss in the interventricular septum , then along the 2 bundle branches (left & right) & finally Purkinje fibers to terminate in the ventricular myocardium causing ventricular contraction. ...
Pharmacologic prophylaxis for atrial fibrillation following cardiac
... 0.03) decrease in postoperative AF incidence (23%) compared to placebo (42%). Redle et al, evaluated 150 patients undergoing CABG in a randomized double blind controlled trial, comparing amiodarone with placebo [51]. In amiodarone group, the two grams were given in a graduated dosing schedule and th ...
... 0.03) decrease in postoperative AF incidence (23%) compared to placebo (42%). Redle et al, evaluated 150 patients undergoing CABG in a randomized double blind controlled trial, comparing amiodarone with placebo [51]. In amiodarone group, the two grams were given in a graduated dosing schedule and th ...
PDF - Circulation: Arrhythmia and Electrophysiology
... that is, varying coupling intervals of the ectopic focus, mathematically related interectopic intervals and the presence of fusion beats.16 The original assumption of total independence (protection) of parasystolic focus from extraneous beats is no longer considered true. It is now evident that any ...
... that is, varying coupling intervals of the ectopic focus, mathematically related interectopic intervals and the presence of fusion beats.16 The original assumption of total independence (protection) of parasystolic focus from extraneous beats is no longer considered true. It is now evident that any ...
Supraventricular Arrhythmias
... Describe the initial approach to a patient with an arrhythmia. Discuss diagnosis and treatment options for patients with atrial fibrillation, atrial flutter, and supraventricular tachycardia. ...
... Describe the initial approach to a patient with an arrhythmia. Discuss diagnosis and treatment options for patients with atrial fibrillation, atrial flutter, and supraventricular tachycardia. ...
Randomized Comparison Of Antiarrhythmic Drug Therapy With
... Several recent studies have provided evidence that class I antiarrhythmic drugs are less effective than class III drugs in patients with ventricular arrhythmias,5,6 most likely because of proarrhythmic effects.7,8 Since their introduction in 1980,9 numerous reports have shown that implantable cardio ...
... Several recent studies have provided evidence that class I antiarrhythmic drugs are less effective than class III drugs in patients with ventricular arrhythmias,5,6 most likely because of proarrhythmic effects.7,8 Since their introduction in 1980,9 numerous reports have shown that implantable cardio ...
Atrial Fibrillation: Beyond Primary Care
... prolonged PR, QRS, QT, or repolarization abnormalities, ischemia ♥ Flecainide, Propafenone, Sotalol, Amiodarone, and Dronedarone are safe for outpatient initiation ♥ Quinidine, Procainamide, Disopyramide, and Dofetilide should be started in in-patient setting ...
... prolonged PR, QRS, QT, or repolarization abnormalities, ischemia ♥ Flecainide, Propafenone, Sotalol, Amiodarone, and Dronedarone are safe for outpatient initiation ♥ Quinidine, Procainamide, Disopyramide, and Dofetilide should be started in in-patient setting ...
Ventricular Arrhythmias in Doberman Pinschers
... medications have the ability to cause “proarrhythmias” or worsening of the arrhythmias they are being used to treat. The same drug that causes proarrhythmia in one person may not in another person. Another important finding of all of these studies, in people, is that no drug used to treat ventricula ...
... medications have the ability to cause “proarrhythmias” or worsening of the arrhythmias they are being used to treat. The same drug that causes proarrhythmia in one person may not in another person. Another important finding of all of these studies, in people, is that no drug used to treat ventricula ...
Equine Cardiovascular Disease
... Can be treated repeatedly and can perform well. Quinidine sulphate: Na channel blocker Prolongs the Q-T interval (slowed depolarization AND repolarization) Elimination by liver (P450) ...
... Can be treated repeatedly and can perform well. Quinidine sulphate: Na channel blocker Prolongs the Q-T interval (slowed depolarization AND repolarization) Elimination by liver (P450) ...
Atrial Fibrillation in the Heart Failure Population
... should be monitored in the hospital for the first 3 days of dofetilide initiation. Renal function and QTc should be monitored every 3 months or as medically warranted. It should be discontinued for QTc more than 500 milliseconds (550 milliseconds in patients with ventricular conduction abnormalities ...
... should be monitored in the hospital for the first 3 days of dofetilide initiation. Renal function and QTc should be monitored every 3 months or as medically warranted. It should be discontinued for QTc more than 500 milliseconds (550 milliseconds in patients with ventricular conduction abnormalities ...
Original Article
... Methods and Results—Retrospective chart review of 3 unrelated infants <2 months of age from 3 different tertiary care centers within the United States and Australia was conducted. All 3 infants survived sudden cardiac arrest secondary to multiple episodes of polymorphic ventricular tachycardia and v ...
... Methods and Results—Retrospective chart review of 3 unrelated infants <2 months of age from 3 different tertiary care centers within the United States and Australia was conducted. All 3 infants survived sudden cardiac arrest secondary to multiple episodes of polymorphic ventricular tachycardia and v ...
A Case of Wide Complex Tachycardia in a Patient with a
... time, he was transferred to our medical center’s cardiac intensive care unit for further management. Because of the severely reduced biventricular function and refractory cardiogenic shock despite the presence of an IABP, a biventricular assist device (BiVAD) was implanted. His postoperative course ...
... time, he was transferred to our medical center’s cardiac intensive care unit for further management. Because of the severely reduced biventricular function and refractory cardiogenic shock despite the presence of an IABP, a biventricular assist device (BiVAD) was implanted. His postoperative course ...
Cardiac Arrhythmias in the Intensive Care Unit
... Cardioversion of a patient with AF carries a stroke risk from 1.1% if anticoagulated for 3 weeks to 7% if not anticoagulated, even if AF duration is less than 1 week.19 Due to delay between resumption of organized atrial electrical activity and of organized mechanical contraction, there can be delay ...
... Cardioversion of a patient with AF carries a stroke risk from 1.1% if anticoagulated for 3 weeks to 7% if not anticoagulated, even if AF duration is less than 1 week.19 Due to delay between resumption of organized atrial electrical activity and of organized mechanical contraction, there can be delay ...
Title goes here (Arial Narrow 28 pt) second line
... College of Intensive Care Australia and New Zealand 2008 Basic Science Short Answer ● A diagram of the conducting pathways, highlighting specialized tissues with fast or slow conduction velocities would have been appropriate. The importance of the AV node in preventing retrograde conduction and hig ...
... College of Intensive Care Australia and New Zealand 2008 Basic Science Short Answer ● A diagram of the conducting pathways, highlighting specialized tissues with fast or slow conduction velocities would have been appropriate. The importance of the AV node in preventing retrograde conduction and hig ...
1 - ISpatula
... rate = 178 bpm). Her BP is stable and she does not feel syncopal. Which of the following agents would be the most appropriate to administer to this patient at this time? A. Intravenous adenosine B. Intravenous verapamil C. Intravenous procainamide D. Intravenous lidocaine ...
... rate = 178 bpm). Her BP is stable and she does not feel syncopal. Which of the following agents would be the most appropriate to administer to this patient at this time? A. Intravenous adenosine B. Intravenous verapamil C. Intravenous procainamide D. Intravenous lidocaine ...
Management of arrhythmias in heart failure. What a practicing
... of patients who carry a diagnosis of congestive heart failure. With improving survival in a world of novel medications and devices, an understanding of the pathophysiology and management of these arrhythmias is crucial. Majority of the basic heart failure medications such as beta-blockers, angiotens ...
... of patients who carry a diagnosis of congestive heart failure. With improving survival in a world of novel medications and devices, an understanding of the pathophysiology and management of these arrhythmias is crucial. Majority of the basic heart failure medications such as beta-blockers, angiotens ...
Latest data from Secondary Prevention Implantable Cardioverter
... Sudden cardiac death accounts for 350,000-400,000 deaths annually in the United States. However, less than 20% of patients will survive a cardiac arrest and be discharged alive from a hospital [1] . Prior to the implantable cardioverter defibrillator (ICD) era, 50% of sudden cardiac arrest survivors ...
... Sudden cardiac death accounts for 350,000-400,000 deaths annually in the United States. However, less than 20% of patients will survive a cardiac arrest and be discharged alive from a hospital [1] . Prior to the implantable cardioverter defibrillator (ICD) era, 50% of sudden cardiac arrest survivors ...
Antiarrhythmics - BHS Education Resource
... • The centrally acting CCBs (Verapamil and Diltiazem) can be regarded as virtually identical to the beta blockers in their effects on conduction • Both reduce SA and AV node conduction speed, and may cause AV block, and reduce contractility and 02 ...
... • The centrally acting CCBs (Verapamil and Diltiazem) can be regarded as virtually identical to the beta blockers in their effects on conduction • Both reduce SA and AV node conduction speed, and may cause AV block, and reduce contractility and 02 ...
Can the block help the beat? Beta blockers for ventricular fibrillation.
... Sympathetic blockade treatments: • Left stellate ganglionic blockade o 10-20 mL 1% xylocaine injected millimeters anterior to lateral process of spine until Horner’s syndrome developed (miosis, partial ptosis) o Repeat with 10 mL 0.25% marcaine or xylocaine if needed • Esmolol 300-500 mg/kg load fol ...
... Sympathetic blockade treatments: • Left stellate ganglionic blockade o 10-20 mL 1% xylocaine injected millimeters anterior to lateral process of spine until Horner’s syndrome developed (miosis, partial ptosis) o Repeat with 10 mL 0.25% marcaine or xylocaine if needed • Esmolol 300-500 mg/kg load fol ...
The Impact of Verapamil on Catecholamine Polymorphic Ventricular
... figure showed a gene mutation(R2401 H) in the exon 47 of RyR2, heterozygous pattern at the seventh base from the left side. (arrow head) ...
... figure showed a gene mutation(R2401 H) in the exon 47 of RyR2, heterozygous pattern at the seventh base from the left side. (arrow head) ...
Contemporary Management of Sudden Cardiac Death
... College of Cardiology (ACC)/American Heart Association (AHA)/ Heart Rhythm Society (HRS) 2008 Guidelines for current indication for ICD therapy is the presence of a persistently depressed LVEF of 35% or less in patients with ischemic cardiomyopathy who are on appropriate medical therapy at least 30 ...
... College of Cardiology (ACC)/American Heart Association (AHA)/ Heart Rhythm Society (HRS) 2008 Guidelines for current indication for ICD therapy is the presence of a persistently depressed LVEF of 35% or less in patients with ischemic cardiomyopathy who are on appropriate medical therapy at least 30 ...
Part 7
... second-line drugs if these do not delay definitive management). Pacing is also recommended for severely symptomatic patients, especially when the block is at or below the His-Purkinje level (ie, type II second-degree or third-degree AV block). Atropine In the absence of reversible causes, atropine r ...
... second-line drugs if these do not delay definitive management). Pacing is also recommended for severely symptomatic patients, especially when the block is at or below the His-Purkinje level (ie, type II second-degree or third-degree AV block). Atropine In the absence of reversible causes, atropine r ...
Heart Dysrhythmias Cheat Sheet Arrhythmias Description Causes
... If patient is unstable with ventricular rate > 150bpm, prepare for immediate cardioversion. If stable, drug therapy may include calcium channel blockers, betaadrenergic blockers, digoxin, procainamide, quinidine, ibutilide, or amiodarone. Anticoagulation therapy to prevent emboli. Dual chamber atria ...
... If patient is unstable with ventricular rate > 150bpm, prepare for immediate cardioversion. If stable, drug therapy may include calcium channel blockers, betaadrenergic blockers, digoxin, procainamide, quinidine, ibutilide, or amiodarone. Anticoagulation therapy to prevent emboli. Dual chamber atria ...
Heart Dysrhythmias Cheat Sheet
... If patient is unstable with ventricular rate > 150bpm, prepare for immediate cardioversion. If stable, drug therapy may include calcium channel blockers, betaadrenergic blockers, digoxin, procainamide, quinidine, ibutilide, or amiodarone. Anticoagulation therapy to prevent emboli. Dual chamber atria ...
... If patient is unstable with ventricular rate > 150bpm, prepare for immediate cardioversion. If stable, drug therapy may include calcium channel blockers, betaadrenergic blockers, digoxin, procainamide, quinidine, ibutilide, or amiodarone. Anticoagulation therapy to prevent emboli. Dual chamber atria ...
Amiodarone
Amiodarone is a class III antiarrhythmic agent used for various types of cardiac dysrhythmias, both ventricular and atrial. It was discovered in 1961. Despite relatively common side-effects, it is used in arrhythmias that are otherwise difficult to treat with medication.