10 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial ... #electrocardiogram ... #differential # ... cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... - Decreases AV ... fibrillation and atrial ... flutter (rate control ... #EKG #Cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
SVTs - atrial/junctional ... (3) Multifocal atrial ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
is close to the SAN ... in II, Ill and aVF ... #complexes #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential ... Arrhythmias • SA ... Flutter (AFL), ... Arrhythmias #Anatomical #Differential ... Diagnosis #Causes #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... Sinus Syndrome • SA ... Tachycardia • Aflutter ... tachyarrhythmias #Cardiology ... #Differential #
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... = Atrial Flutter ... @AmyChung #EKG ... #Electrocardiogram ... #cardiology #diagnosis
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
ST elevation in aVR ... • Sgarbossa criterion ... #EKG #diagnosis ... #differential # ... cardiology #electrocardiogram
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
electrocardiographic criteria ... terminalis) or in AV ... sharp contrast to AV ... wap #diagnosis #cardiology ... #ekg #ecg #electrocardiogram
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... flutter, or atrial ... : SVT-AVNRT or AVRT ... #Palpitations #Cardiology ... #Differential #