Document
... •V. re-entrant loops? (PVCs) •during surgery No effect on atrial cells (with short APD) Toxicity: •Relatively safe (hemodynamically) but efficacy is relatively low ...
... •V. re-entrant loops? (PVCs) •during surgery No effect on atrial cells (with short APD) Toxicity: •Relatively safe (hemodynamically) but efficacy is relatively low ...
PATHOPHYSIOLOGY
... The over-the-counter sympathomimetics may precipitate seizures in overdose.[43] Intravenous diazepam or lorazepam should be administered until seizures subside. If seizures persist, phenobarbital should be administered. With hypertensive crisis unresponsive to benzodiazepines, sodium nitroprusside i ...
... The over-the-counter sympathomimetics may precipitate seizures in overdose.[43] Intravenous diazepam or lorazepam should be administered until seizures subside. If seizures persist, phenobarbital should be administered. With hypertensive crisis unresponsive to benzodiazepines, sodium nitroprusside i ...
Prophylactic Antiarrhythmic Drug Therapy in Atrial Fibrillation
... Safety and efficacy are important factors when choosing an antiarrhythmic drug for the treatment of AF, hence, if AAD are required for maintenance of sinus rhythm, their safety profile, together with individual patient characteristics, should be of utmost concern. In the next paragraphs we would like ...
... Safety and efficacy are important factors when choosing an antiarrhythmic drug for the treatment of AF, hence, if AAD are required for maintenance of sinus rhythm, their safety profile, together with individual patient characteristics, should be of utmost concern. In the next paragraphs we would like ...
Sinus Bradycardia Sinus Tachycardia Premature Atrial Contraction
... pacemaker (especially if hx MI) -If asx: rhythm observed with transcutaneous pacemaker on standby -Bradycardia more likely to become symptomatic when hypotension, HF or shock is present ...
... pacemaker (especially if hx MI) -If asx: rhythm observed with transcutaneous pacemaker on standby -Bradycardia more likely to become symptomatic when hypotension, HF or shock is present ...
FOCUS ON: ATRIAL FIBRILLATION
... Documentation for heart arrhythmias that clearly identifies the condition promotes better quality of care. Nonspecific documentation will always lead to nonspecific medical coding. Always document and code other diagnoses that were assessed at the time of the patient’s visit, for example: Assessme ...
... Documentation for heart arrhythmias that clearly identifies the condition promotes better quality of care. Nonspecific documentation will always lead to nonspecific medical coding. Always document and code other diagnoses that were assessed at the time of the patient’s visit, for example: Assessme ...
Abla[on in infants and small children: Results and complica[ons
... higher mortality in infants: 43% of total deaths. Further series and reports did not show higher mortality • AV block: IniJal series showed higher incidence. Use of cryoablaJon and experience with RF have significantly decreased events • Coronary arterial injury: Incidence unknown in infants. S ...
... higher mortality in infants: 43% of total deaths. Further series and reports did not show higher mortality • AV block: IniJal series showed higher incidence. Use of cryoablaJon and experience with RF have significantly decreased events • Coronary arterial injury: Incidence unknown in infants. S ...
Rhythm Control in Atrial Fibrillation — One Setback
... multichannel blocking properties similar to those of amiodarone but without the iodine moiety, which is responsible for some of amiodarone’s toxicity. In ANDROMEDA, Køber et al. tested whether dronedarone could reduce the composite end point of death from any cause or hospitalization for heart failu ...
... multichannel blocking properties similar to those of amiodarone but without the iodine moiety, which is responsible for some of amiodarone’s toxicity. In ANDROMEDA, Køber et al. tested whether dronedarone could reduce the composite end point of death from any cause or hospitalization for heart failu ...
Ventricular tachycardia of right bundle-branch block
... man et al.' with this type of VT,2 were found to show similar features of mitral valve prolapse as our patient. One of them died suddenly at the age of nineteen-16 months after an unsuccessful attempt of cryoablation of the VT focus. Two additional patients with mitral valve prolapse were described ...
... man et al.' with this type of VT,2 were found to show similar features of mitral valve prolapse as our patient. One of them died suddenly at the age of nineteen-16 months after an unsuccessful attempt of cryoablation of the VT focus. Two additional patients with mitral valve prolapse were described ...
The Effects of /3-Adrenergic Stimulation on the
... the effects of isoproterenol on the frequency-dependent actions of sematilide (a pure class III agent that selectively blocks the delayed rectifier potassium current) and amiodarone (a class III agent with a complex pharmacologic profile) on ventricular repolarization, refractoriness, and conduction ...
... the effects of isoproterenol on the frequency-dependent actions of sematilide (a pure class III agent that selectively blocks the delayed rectifier potassium current) and amiodarone (a class III agent with a complex pharmacologic profile) on ventricular repolarization, refractoriness, and conduction ...
Arrythmia_2014 - University of Washington
... Mental status changes, hypotension, angina, shock, heart failure Acute or chronic Are they sleeping? Do they have sleep apnea? Not everyone with bradycardia, even complete heart ...
... Mental status changes, hypotension, angina, shock, heart failure Acute or chronic Are they sleeping? Do they have sleep apnea? Not everyone with bradycardia, even complete heart ...
Adrenaline
... General Considerations In children arrhythmias are more often the consequence of hypoxaemia, acidosis and hypotension Primary cardiac diseases are rare Monitoring cardiac rythm is mandatory in advanced life support to evaluate cardiac function and response to therapy ...
... General Considerations In children arrhythmias are more often the consequence of hypoxaemia, acidosis and hypotension Primary cardiac diseases are rare Monitoring cardiac rythm is mandatory in advanced life support to evaluate cardiac function and response to therapy ...
Arrhythmias and Dysrhythmias - American Academy of Family
... • In patients with nonvalvular AF, the CHA2DS2-VASc score is recommended for assessment of stroke risk. (Class 1: LOE B) January CT, Wann LS, Alpert JS, et al. 2014 AHA/ACC/HRS guideline for the management of patients with atrial fibrillation: a report of the American College of Cardiology/American ...
... • In patients with nonvalvular AF, the CHA2DS2-VASc score is recommended for assessment of stroke risk. (Class 1: LOE B) January CT, Wann LS, Alpert JS, et al. 2014 AHA/ACC/HRS guideline for the management of patients with atrial fibrillation: a report of the American College of Cardiology/American ...
File
... a. Atropine blocks the effects of acetylcholine. It elevates sinus rate and AV nodal and sinoatrial (SA) conduction velocity, and it decreases refractory ...
... a. Atropine blocks the effects of acetylcholine. It elevates sinus rate and AV nodal and sinoatrial (SA) conduction velocity, and it decreases refractory ...
Mechanisms of Tachycardia
... ○ ICDs were designed to treat this type of VT ○ Often involves an area of fibrosis on the heart (possibly from prior heart attack or ischemia) • Disrupted electrical pathways • Areas of slow conduction • Scar tissue can be ablated but ablation may just leave new scar tissue! ...
... ○ ICDs were designed to treat this type of VT ○ Often involves an area of fibrosis on the heart (possibly from prior heart attack or ischemia) • Disrupted electrical pathways • Areas of slow conduction • Scar tissue can be ablated but ablation may just leave new scar tissue! ...
13421-45587-1
... tachyarrhythmia, such as torsades de pointes (Tdp). Many drugs, including antidepressants, were reported to induce the QTc prolongation. Compared with tricyclic antidepressants (TCAs), use of selective serotonin reuptake inhibitors (SSRIs) such as fluoxetine was less likely to cause severe cardiac a ...
... tachyarrhythmia, such as torsades de pointes (Tdp). Many drugs, including antidepressants, were reported to induce the QTc prolongation. Compared with tricyclic antidepressants (TCAs), use of selective serotonin reuptake inhibitors (SSRIs) such as fluoxetine was less likely to cause severe cardiac a ...
Cardiac Arrhythmias and Their Effect on Performance
... AF in racehorses, the rhythm converts back to sinus rhythm without any intervention. For this reason, you shouldn’t treat AF that has developed within the last 48 hours; you should wait to see if it converts by itself. ...
... AF in racehorses, the rhythm converts back to sinus rhythm without any intervention. For this reason, you shouldn’t treat AF that has developed within the last 48 hours; you should wait to see if it converts by itself. ...
Sinus Rhythms - Beaumont Emergency Medicine
... Unstable – Cardiovert, synchronized if possible, with 50-100 J May also cardiovert electively in symptomatic, stable patients Pharmacologic cardioversion Procainamide Amiodarone Ibutilide ...
... Unstable – Cardiovert, synchronized if possible, with 50-100 J May also cardiovert electively in symptomatic, stable patients Pharmacologic cardioversion Procainamide Amiodarone Ibutilide ...
Stable Tachycardias
... Start IV Attach monitor Obtain 12-lead ECG Obtain portable chest x-ray in hospital setting ...
... Start IV Attach monitor Obtain 12-lead ECG Obtain portable chest x-ray in hospital setting ...
PDF - Circulation: Arrhythmia and Electrophysiology
... Thyroid disorders are known to exert a multitude of adverse effects on myocardium and cardiovascular system, such as bradycardia, atrioventricular block, and prolonged QT interval. Hypothyroidism causing myxedema cardiomyopathy has been reported as a cause of increased ventricular pacing threshold a ...
... Thyroid disorders are known to exert a multitude of adverse effects on myocardium and cardiovascular system, such as bradycardia, atrioventricular block, and prolonged QT interval. Hypothyroidism causing myxedema cardiomyopathy has been reported as a cause of increased ventricular pacing threshold a ...
File
... It is extensively taken up by tissues, especially fatty tissues (extensive distribution) t1/2 = 60 days Potent P450 inhibitor Amiodarone antiarrhythmic effect is complex comprising class I, II, III, and IV actions Dominant effect: Prolongation of action potential duration and refractoriness It slows ...
... It is extensively taken up by tissues, especially fatty tissues (extensive distribution) t1/2 = 60 days Potent P450 inhibitor Amiodarone antiarrhythmic effect is complex comprising class I, II, III, and IV actions Dominant effect: Prolongation of action potential duration and refractoriness It slows ...
Supraventricular Arrhythmias
... normal His Purkinje system similar to normal sinus rhythm • Distinct from ventricular tachycardia which only originates in the ventricles ...
... normal His Purkinje system similar to normal sinus rhythm • Distinct from ventricular tachycardia which only originates in the ventricles ...
Atrial Fibrillation
... Co-existing conditions often dictate use- i.e. pts with systolic heart failure gets beta blockers, pts with low BP gets digoxin…etc. Needs to assess response to treatment at rest and with exertion using Holters, exercise test…etc. ...
... Co-existing conditions often dictate use- i.e. pts with systolic heart failure gets beta blockers, pts with low BP gets digoxin…etc. Needs to assess response to treatment at rest and with exertion using Holters, exercise test…etc. ...
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.