8 results
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
PR interval are normal ... presence of AV block ... #ekg #ecg #electrocardiogram ... #variants #clinical ... #comparison
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
PR interval are normal ... presence of AV block ... #ekg #ecg #electrocardiogram ... #variants #clinical ... #comparison
High-grade AV Block aka Advanced AV Block
 • During sinus rhythm, when 2 or more P
• During sinus ... • This is a clinically ... concerning variant ... Advanced #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• During sinus ... • This is a clinically ... concerning variant ... #cardiology #ekg ... #electrocardiogram
Paroxysmal AV Block on ECG
 - Characterized by an abrupt and persistent AV block in the
presence of otherwise normal ... or slowing of sinus ... #Paroxysmal #AVBlock ... #ekg #ecg #electrocardiogram ... #clinical
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
Cardiovascular MRI ... Clinical • ... • Unexplained sinus ... ECG, echocardiogram ... Dysrhythmia, heart block
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
; and sinus tachycardia ... ST Elevation of Normal ... Variant: • Seen ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Peripartum Cardiomyopathy (PPCM)

What is PPCM?
• A form of acute systolic heart failure that develops late in
Presentation: • Mimics normal ... Key Point: High clinical ... Susceptibility • Genetic variants ... • Nonspecific: sinus ... tachycardia on the electrocardiogram