15 results
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
PR interval are normal ... #Arrhythmia #cardiology ... #diagnosis #ekg ... #variants #clinical ... #comparison
Osborn (J Wave)

Etiology 
• Hypothermia (below 320C / SOOF) 
• Normal variant 
• Hypercalcemia 
• Neurological
320C / SOOF) • Normal ... fibrillation Clinical ... Osborn #JWave #Diagnosis ... #Differential # ... Cardiology #EKG
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
Myocarditis Diagnosis ... • Unexplained sinus ... summation gallop • Abnormal ... ECG, echocardiogram ... #Management #Cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
PR interval are normal ... #Arrhythmia #cardiology ... #diagnosis #ekg ... #variants #clinical ... #comparison
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
QRS complex of normal ... Fusion beats - a sinus ... VT #VTach #SVT #Comparison ... #ekg #cardiology ... #diagnosis #electrocardiogram
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
300 = NSVT EKG ... (≥ 0.12s) with abnormal ... Diagnosis: • PAC ... #differential # ... cardiology
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Non-Hodgkin's Lymphoma - Comparison ... also arise in normal ... Diagnosis of B-Symptoms ... #oncology #diagnosis ... #differential #
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
Diagnosis Summary ... Block • During sinus ... • This is a clinically ... blocks #AVBlock #cardiology ... #ekg #ecg #diagnosis
Clubbing of the Fiingers: Bulbous appearance of the distal fingers associated with a number of uncommon
lung conditions (e.g ... on far right is normal ... for comparison) ... Images #Clinical ... #Photo #Clubbing
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 #diagnosis ... #cardiology #ekg ... #clinical