9 results
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
VT: - No RS complexes ... - Very broad complexes ... Fusion beats - a sinus ... VT #VTach #SVT #Comparison ... #diagnosis #electrocardiogram
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
dissociation (P and QRS complexes ... beats (hybrid complex ... negative (QS) complexes ... Brugada algorithm ... Aberration #Aberrancy #Comparison
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Narrow Complex ... tachycardia Narrow Complex ... conduction Wide-Complex ... aberrancy Wide-Complex ... #Causes #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
bpm) - Narrow Complex ... WPW) - Narrow Complex ... Tachycardia - Wide Complex ... aberrancy - Wide Complex ... #causes
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
encompassing a QRS complex ... intervening QRS complex ... #Arrhythmia #cardiology ... diagnosis #ekg #ecg #electrocardiogram ... variants #clinical #comparison
Morphological Criteria for Discriminating Ventricular Tachycardia from Supraventricular Tachycardia with Aberration

Source Article: Wide Complex Tachycardia –
Article: Wide Complex ... Distinguishing #Criteria #Cardiology ... #ECG #EKG #Electrocardiogram ... #Differences #Comparison ... #Brugada #Algorithm
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
encompassing a QRS complex ... intervening QRS complex ... #Arrhythmia #cardiology ... diagnosis #ekg #ecg #electrocardiogram ... variants #clinical #comparison
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
evaluating for other causes ... Adrenergic Drive: • Sinus ... or Complete RBBB ... AcutePE #diagnosis #cardiology ... #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
precedes the QRS complex ... discordant with the QRS complex ... S1Q3T3 pattern; complete ... or in-complete ... - Widened QRS complexes