9 results
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Diagnosis Primary ... pain: Axial spondyloarthritis ... Referred Pain: • Aorta ... : Dissection, Aneurysm ... #Differential #Diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Wandering Atrial ... pacemaker shifts back ... #Arrhythmia #cardiology ... #diagnosis #ekg ... #variants #clinical
This is a parasternal long axis view of a young patient presenting with 3 days of
with sinus tachycardia ... root, and left atrium ... dissection.- Michael ... Northwestern University #Clinical ... #EM #Radiology
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
Myocarditis Diagnosis ... • Unexplained sinus ... tachycardia • S3, S4 ... gallop • Abnormal ECG ... , echocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Wandering Atrial ... pacemaker shifts back ... #Arrhythmia #cardiology ... #diagnosis #ekg ... #variants #clinical
Coronary Ostium Obstruction by Aortic Intimal Flap on Echocardiogram
Aortic intimal flap may alternately obstruct right and
Intimal Flap on Echocardiogram ... elevations in different ECG ... Intimal #Flap #dissection ... #a4c #plax #Echocardiogram ... #clinical #cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
300 = NSVT EKG ... capture of the atria ... Differential Diagnosis ... tachycardia • Sinus ... arrhythmia • Atrial
Constrictive Pericarditis on Echocardiogram
A 55-year-old female marathon runner presents to clinic w/ 6-months of worsening breathlessness
runner presents to clinic ... had gained 15 kg ... expiration not meeting diagnostic ... #a4c #pocus #clinical ... #cardiology
Intraoperative Cardiac Free Wall Rupture
Free wall rupture...yes we can save them
Following a syncope event, a 72-y
showed normal sinus ... patient described back ... ANGIO ruled out aortic ... dissection while ... cardiothoracic #surgery #clinical