12 results
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Syndrome (SSS) • AV ... Tachycardia (FAT), Multifocal ... (MAT) • AV node ... : AV re-entrant ... ), AV nodal re-entrant
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
rhythms (5) AV ... QRS - Proximal AV ... block (lower AV ... Wide QRS - Distal AV ... #EKG #diagnosis
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Arrhythmias • Atrial ... Tachycardia with 2: ... 1 AV Block • Bidirectional ... #Arrhythmias #diagnosis ... #ekg #electrocardiogram
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
Wide-Complex Tachycardia 1. ... yes, then VT. 2. ... AV Dissociation: ... there evidence of AV ... #EKG #Electrocardiogram
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
1 AV conduction ... - Mobitz Type 2 ... independently of the atria ... #ekg #diagnosis ... #electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... 1. ... failure, and death. 2. ... #electrocardiogram ... #diagnosis #ekg
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval < 120 ms = AV ... (e.g. ectopic atrial ... P-Wave Morphology = multifocal ... #Electrocardiogram ... #cardiology #diagnosis
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Multifocal Atrial ... terminalis) or in AV ... sharp contrast to AV ... #cardiology #ekg ... #ecg #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
relationship (2: ... P and QRS • Atrial ... • Block in AV ... (block beyond AV ... #EKG #electrocardiogram
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Diagnosis 1. ... Small secundum ASD ... to right shunt 2. ... echocardiogram #s4c ... #pocus #bubble