13 results
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Sinus Arrhythmia ... Sinus #Arrhythmia ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... #variants #clinical
Non-phasic sinus arrhythmia - ECG Diagnosis
• The P wave and PR interval are normal
• The PP
Non-phasic sinus ... arrhythmia - ECG ... PR interval are normal ... #Arrhythmia #cardiology ... #diagnosis #ekg
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Sinus Arrhythmia ... Sinus #Arrhythmia ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... #variants #clinical
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
Myocarditis Diagnosis ... • Unexplained sinus ... summation gallop • Abnormal ... ECG, echocardiogram ... #Management #Cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
(≥ 0.12s) with abnormal ... expected for the next sinus ... Differential Diagnosis ... tachycardia • Sinus ... arrhythmia • Atrial
This is a parasternal long axis view of a young patient presenting with 3 days of
x-ray and and ECG ... with sinus tachycardia ... Northwestern University #Clinical ... #EM #Radiology ... #POCUS #CardiacUS
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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
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
on ECG Multifocal ... waves will have normal ... #tachycardia #cardiology ... #diagnosis #ekg ... electrocardiogram #clinical
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
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
criteria for the diagnosis ... dominant pacemaker focus ... from the sinus ... #cardiology #ekg ... #ecg #electrocardiogram