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Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Arrhythmias • ... Atrial fibrillation ... ventricular response • Atrial ... Escape Rhythm • Atrial ... #cardiology #ecg
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Digoxin effect on ... conduction Uses: - Atrial ... fibrillation and ... atrial flutter ... Cardiology #Digitalis #ECG
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
The arrhythmias ... heart block, sino-atrial ... and ventricular fibrillation ... Non-paroxysmal atrial ... #ECG #Digoxin #
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
convert - Possible atrial ... atrial tachycardia ... Rhythm: • Probable atrial ... fibrillation or ... possible atrial
Clinical Feature of Hypomagnesemia and Magnesium Deficiency
 • Electrolyte Disturbance: Hypokalemia, Hypocalcemia
 • Neuromuscular and central
Cardiovascular: Atrial ... tachycardias, Atrial ... fibrillation, Supraventricular ... de pointes, Digoxin ... signs #symptoms #Treatment
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... Paroxysmal AF, atrial ... flutter, or atrial ... : • Atrial fibrillation ... • Multifocal atrial
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Cardiomyopathy • Inherited arrhythmia ... Substances • Digoxin ... capture of the atria ... • Atrial fibrillation ... more intensive treatment
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Cardiac arrhythmia ... ↑ AST/ALT • Treatment ... Ophthalmoplegia • Atrial ... fibrillation/flutter ... tenderness Treatment
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
, bradycardia, arrhythmias ... Calcineurin inhibitors, Digoxin ... - ↓ Effective arterial ... heparinized tube) • ECG ... dose PRN (ongoing arrhythmia