14 results
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Classic Digoxin-Associated ... Complete Heart Block ... and Accelerated ... • Bidirectional ... #ecg #ekg #electrocardiogram
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
, sino-atrial (SA ... Non-paroxysmal atrial ... The various ECG ... #Diagnosis #Cardiology ... #EKG #ECG #Digoxin
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
- "If your P's and ... independently of the atria ... node dissociation and ... heart #heartblock #cardiology ... #ecg #ekg #diagnosis
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Brady Management ... QRS • Atrial ... summary #Diagnosis #EKG ... electrocardiogram #ecg ... #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
- Observe and ... Control rate (e.g ... Control rate (e.g ... Tachycardia #Treatment #management ... #cardiology #algorithm
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Arrhythmias on ECG ... tachycardia ECG ... Irregular P P, RR and ... Some P waves are blocked ... #diagnosis #ekg
Severe Heart Failure & Cardiogenic Shock - Management Checklist 
Evaluation 
 - EKG & echocardiography
Evaluation - EKG ... /or digoxin level ... Nephrotoxins (e.g ... (eg diltiazem) ... #Management
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Libman Sacks) • Atrial ... Paradoxical emboli via ASD ... ↑ ESR, CRP • EKG ... #diagnosis #management ... #cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... Hypokalemia • Bundle ... branch block • ... Substances • Digoxin ... 300 = NSVT EKG
Atrial Fibrillation (A-Fib) Summary

Symptoms:
• Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

Why?
Cardiac:
	• Valvular heart
branch block or ... thrombus • Digoxin ... propafenone with β-blocker ... AFib #diagnosis #management ... #cardiology