11 results
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Fibrillation with Complete ... Heart Block and ... 2:1 AV Block • ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... Diagnosis Algorithm ... Syndrome • SA Block ... • AV Block (ISt ... tachyarrhythmias #Cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
block. ... Wandering Atrial ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... #variants #clinical
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
• Narrow complex ... : AVNRT, AVRT, atrial ... #electrocardiogram ... #diagnosis #ekg ... cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
block. ... Wandering Atrial ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... #variants #clinical
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Interval: • 1° Block ... >200ms • 2° Block ... loss of P • 2° Block ... Block (nothing ... #cardiology #diagnosis
High-grade AV Block aka Advanced AV Block
 • During sinus rhythm, when 2 or more P
High-grade AV Block ... AV block ... concerning variant ... #cardiology #ecg ... #ekg #electrocardiogram
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Bundle branch block ... Diagnosis: • PAC ... #PVC #diagnosis ... #differential # ... cardiology
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... High-grade AV Block ... Block aka Complete ... #AVBlock #cardiology ... #ekg #ecg #diagnosis
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... variable block ... atrioventricular block ... : SVT-AVNRT or AVRT ... #Palpitations #Cardiology