13 results
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
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
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... - RAD: AntLat MI ... : WPW, ectopic atrial ... Short QT <300-360 ms ... electrocardiogram #cardiology
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 ... #EM #Radiology ... #POCUS #CardiacUS
Haglund Syndrome - MSK Radiology
Imaging Findings:
 • The Haglund Deformity (enlarged superior margin calcaneal posterior process)
Haglund Syndrome - MSK ... Radiology Imaging ... bursa is commonly abnormal ... #mri #clinical ... #Radiology #diagnosis
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, ... elevated LVEDP ==> MRI ... Cardiomyopathy #HOCM #HCM #clinical ... echocardiogram #plax #cardiology ... #pocus
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