12 results
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
4 Variants of Sinus ... presence of AV block ... diagnosis #ekg #ecg #electrocardiogram ... #variants #clinical ... #comparison
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• During sinus ... • This is a clinically ... • In sinus rhythm ... or slowing of sinus ... ecg #diagnosis #electrocardiogram
High-grade AV Block aka Advanced AV Block
 • During sinus rhythm, when 2 or more P
• During sinus ... waves are not conducted ... • This is a clinically ... #Highgrade #AVBlock ... cardiology #ecg #ekg #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
culminating in non-conducted ... Brady Management ... prolongation • Non-conducted ... PR intervals in conducted ... Diagnosis #EKG #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
4 Variants of Sinus ... presence of AV block ... diagnosis #ekg #ecg #electrocardiogram ... #variants #clinical ... #comparison
Paroxysmal AV Block on ECG
 - Characterized by an abrupt and persistent AV block in the
initiated by: conducted ... or slowing of sinus ... #Paroxysmal #AVBlock ... cardiology #ekg #ecg #electrocardiogram ... #clinical
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
performed) • Clinical ... Cardiovascular MRI Clinical ... • Unexplained sinus ... Dysrhythmia, heart block ... cardiac death Management
Paroxysmal AV Block aka Ventricular Standstill
 • Abrupt and persistent AV block ( multiple P waves
Paroxysmal AV Block ... initiated by a conducted ... or slowing of sinus ... #Paroxysmal #AVBlock ... cardiology #ecg #ekg #electrocardiogram
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
QRS widening • Sinus ... of conduction block ... Hyperkalemia #EKG #ECG #electrocardiogram ... cardiology #diagnosis #clinical
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
blocked or not conducted ... • Some conducted ... morphology • Some conducted ... diagnosis #ekg #electrocardiogram ... #clinical #comparison