8 results
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
PR interval are normal ... #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 ... #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
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
PR interval are normal ... #diagnosis #ekg ... #ecg #electrocardiogram ... #variants #clinical ... #comparison
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
Cardiovascular MRI ... Clinical • ... • Unexplained sinus ... ECG, echocardiogram ... Dysrhythmia, heart block
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... dextrocardia, normal ... ) - HiPR: AV block ... #ECG #EKG #diagnosis ... #electrocardiogram
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
Approach to ECGs ... QRS complex of normal ... Fusion beats - a sinus ... VT #VTach #SVT #Comparison ... #ekg #cardiology
Peripartum Cardiomyopathy (PPCM)

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