61 results
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
Premature atrial complex ... look like the sinus ... premature junctional complex ... diagnosis #ekg #ecg #electrocardiogram ... #clinical
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 ... produce a hybrid complex ... cardiology #diagnosis #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
4 Variants of Sinus ... encompassing a QRS complex ... intervening QRS complex ... diagnosis #ekg #ecg #electrocardiogram ... #variants #clinical
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
beats (normal sinus ... beats (hybrid complex ... of normal sinus ... negative (QS) complexes ... Brugada algorithm
Various wide complex tachycardia (WCT) differentiation algorithmic designs and algorithms.
The most commonly utilized approaches to differentiate
Various wide complex ... differentiation algorithmic ... designs and algorithms ... decision‐tree algorithms ... VTach #ECG #EKG #Electrocardiogram
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... • Widens QRS complex ... cells • Slows sinus ... cells • Slow sinus ... VaughanWilliams #Classification
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... (<60 bpm) • Sinus ... Bradycardia • Sick Sinus ... Interval) • Sinus ... Differential #Diagnosis #Algorithm
ECG changes in Pulmonary Embolism
 - 
Sinus tachycardia 
 - 
Complete or incomplete RBBB 
 -
Embolism - Sinus ... tachycardia - Complete ... AcutePE #HighRisk #Electrocardiogram
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Differential Diagnosis Algorithm ... Narrow Complex ... - Regular: • Sinus ... conduction Wide-Complex ... Differential #Diagnosis #Algorithm
Atrial trigeminy in which there are two atrial premature contractions (APC's) for every normal sinus complex.
for every normal sinus ... complex. ... #Clinical #MedStudent