12 results
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
with Complete Heart ... Tachycardia with 2:1 ... AV Block • Bidirectional ... #Arrhythmias #diagnosis ... #ekg #electrocardiogram
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
1 AV conduction ... independently of the atria ... #Blocks #heart ... #ekg #diagnosis ... #electrocardiogram
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Negative Contrast ... Diagnosis 1. ... Small secundum ASD ... echocardiogram #s4c ... #pocus #bubble
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(3) SVTs - atrial ... (3) Multifocal atrial ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
or 3:1 block) ... P and QRS • Atrial ... • Block in AV ... degrees #summary #Diagnosis ... #EKG #electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
assoc with 1K, AV ... below), 1st degree heart ... #EKG #Checklist ... #electrocardiogram ... #differential
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval < 120 ms = AV ... (e.g. ectopic atrial ... proportional to heart ... #Electrocardiogram ... #cardiology #diagnosis
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
1. ... events in-hospital. heart ... diagnosis includes ... #electrocardiogram ... #diagnosis #ekg
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Hypokalemia • Bundle ... 300 = NSVT EKG ... capture of the atria ... Diagnosis: • PAC ... #differential #
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
dominant pacemaker focus ... rhythm, in sharp contrast ... to AV dissociation ... #cardiology #ekg ... #ecg #electrocardiogram