34 results
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Syndrome • SA Block ... • AV Block (ISt ... Narrow Complex - Irregular ... Differential #Diagnosis #Algorithm
Comparison of Multifocal Atrial Tachycardia, Atrial Fibrillation and Atrial Flutter
Multifocal Atrial Tachycardia - Atrial Rate >
Irregularly irregular ... Irregular P-P intervals ... depending on block ... Irregularly irregular ... Diagnosis #Cardiology #Electrocardiogram
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Rhythm: Sinus tachycardia ... • Narrow QRS - Irregular ... Rhythm: Atrial ... Rhythm: Ventricular ... Rhythm: Polymorphic
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
vs Irregular ... Regular Rhythm - ... , adenosine Irregular ... AFIutter + variable block ... Irregular Rhythm
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
100-150 bpm) • Irregularly ... irregular rhythm ... cardiology #EKG #ECG #Electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Narrow & regular ... rhythm ... Narrow & irregular ... rhythm ... Diagnosis #EKG #electrocardiogram
Accelerated Idioventricular Rhythm (AIVR) on EKG
 • Regular rhythm with wide. 
 • QRS complexes >120
Idioventricular Rhythm ... AIVR) on EKG • Regular ... rhythm with wide ... Idioventricular #Rhythm ... cardiology #EKG #ECG #Electrocardiogram
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
of conduction block ... waves • Pseudo-STEMI ... Sinoventricular rhythm ... • "Sine wave" rhythm ... Hyperkalemia #EKG #ECG #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
DANGER Narrow - Regular ... node Narrow - Irregular ... arrest - escape rhythms ... (5) AV block ... EKG #diagnosis #electrocardiogram
Treatment of Stable Wide-Complex Tachycardia
Regular
 • If ventricular tachycardia or uncertain rhythm:
    -
Wide-Complex Tachycardia Regular ... tachycardia or uncertain rhythm ... give adenosine Irregular ... narrow-complex irregular ... management #cardiology #algorithm