21 results
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
associated combine some SVT ... ventricular rate (↓ AV ... digitalis #Toxicity #Electrocardiogram ... #ekg #ecg #toxicology ... #cardiology #diagnosis
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Predictor of arrhythmia ... supraventricular tachycardia (SVT ... #electrocardiogram ... #diagnosis #ekg
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• Sick Sinus Syndrome ... Regular Rhythm SVT ... AVNRT • AVRT ... Irregular Rhythm SVT ... Irregular rhythm SVT
Wide Complex Tachycardia - ECG Definition and Causes
 • Wide Complex Tachycardia (WCT) is a cardiac
Tachycardia - ECG ... Supraventricular tachycardia (SVT ... Tachycardia #WCT #diagnosis ... #cardiology #ekg ... #ecg #electrocardiogram
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT - Wide Tachycardias ... SVT with BBB All ... #VT #VTach #SVT ... #ekg #cardiology ... #diagnosis #electrocardiogram
Supraventricular Tachycardia EKG

Here’s a great ECG case of a 50-year-old lady who presented with palpitations

Her heart
consistent with SVT ... @EM_RESUS #AVRT ... #SVT #Supraventricular ... #ECG #Electrocardiogram ... #Cardiology #EKG
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... bradycardia, Sick Sinus Syndrome ... Contractions (PVC ... #Differential #Diagnosis ... #Causes #cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... : • SVT will have ... & termination: SVT ... vagal maneuvers: SVT-AVNRT ... or AVRT • Standing
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
w/ BBB (3) SVT ... (2) Sick Sinus Syndrome ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Framework MAP = CO x SVR ... third-spacing • ↓ CO, ↑ SVR ... • ↓ CO, ↑ SVR, ... PAH • ↓ CO, ↑ SVR ... toxins • ↑ CO, ↓ SVR