10 results
1. "Sinus Tach" at ~150 bpm is your cue to look for flutter waves
2. Don't trust
"Sinus Tach" at ... #Clinical #EM #Cardiology ... #ECG #Atrial #Flutter
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
Cardiovascular MRI ... • Unexplained sinus ... summation gallop • Abnormal ... ECG, echocardiogram ... Diagnosis #Management #Cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
PR interval are normal ... Wandering Atrial ... #Arrhythmia #cardiology ... #ecg #electrocardiogram ... #variants #clinical
Ectopic atrial rhythm
 • The atrial rate is less than 100 bpm.
 • PR interval within
interval within the normal ... P wave during sinus ... rhythm if the PRI ... #rhythm #cardiology ... #ecg #electrocardiogram
This is a parasternal long axis view of a young patient presenting with 3 days of
x-ray and and ECG ... with sinus tachycardia ... root, and left atrium ... Northwestern University #Clinical ... #EM #Radiology
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The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
PR interval are normal ... Wandering Atrial ... #Arrhythmia #cardiology ... #ecg #electrocardiogram ... #variants #clinical
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
group-beating" on the ECG ... Block • During sinus ... • This is a clinically ... or slowing of sinus ... blocks #AVBlock #cardiology
Septal Hypertrophic Cardiomyopathy (HOCM)

52yo worsening exertional sx and murmur. EKG nonspecific, Serial trops (-) 
EM resident
EKG nonspecific, ... ) EM resident ... elevated LVEDP ==> MRI ... Cardiomyopathy #HOCM #HCM #clinical ... echocardiogram #plax #cardiology
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Peripartum Cardiomyopathy - Summary
1. Definition
 • Towards the end of pregnancy to 5 months postpartum
ancestry, LGE on MRI ... Clinical • Under-recognized ... sx overlap with normal ... Serial TTE and close ... diagnosis #management #cardiology
Perirenal Extramedullary Hematopoiesis - Magnetic resonance imaging of the abdomen, performed without the administration of contrast
splenomegaly, a normal-appearing ... hematopoiesis #cilnical ... #Radiology #Pathology ... #Honc #MRI #PerirenalExtramedullaryHematopoiesis ... ExtramedullaryHematopoiesis #Microscopy #NEJM