12 results
Severity of Aortic Stenosis in Adults 
Current ACC/AHA guidelines recommend cut-off values for Doppler-echocardiographic measurements of
Stenosis in Adults ... recommend cut-off values ... valve area (AVA ... with impaired and normal ... #Classification
Severe Mitral Stenosis- The physical examination revealed a right parasternal heave, a loud S1, a midpeaking
Severe Mitral Stenosis ... revealed moderate aortic ... video and Panel A; LA ... square meter (normal ... was 14 mm Hg (normal
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
Abnormalities - Differential ... Diagnosis Algorithm ... Takayasu disease • Normal ... Stenosis: • Anacrotic ... #Diagnosis #Algorithm
Primary and Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Primary (Essential) (95%) - Onset between age
Hypertension - Differential ... Diagnosis Algorithm ... Mislabelled - Repeatedly normal ... bilateral renal artery stenosis ... Mechanical • Aortic
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Diagnosis Algorithm ... can have extra nodal ... Amy Chung, MD, MSc ... Lymphoproliferative #Disorders #Classification ... #algorithm
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
: Acute STEMI, Aortic ... have no pain - LAD ... stenosis - U ... T wave in V1 - normal ... Interpretation #differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
sedimentation rate + Normal ... Skin Disease Classification ... permanent alopecia Differential ... Cytopenias • Cardiac valve ... flares • CRP normal
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... < 30 years - Aorta ... - Recurrent oral ... retinopathy Lab ... #rheumatology #classification
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... Diagnosis Algorithm ... that a one-off value ... exogenous, EPO levels: normal ... #Diagnosis #Algorithm
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
breath sounds • Rales ... CXR upright or lat ... - Switch to oral ... , or bronchial stenosis ... Lung Abscess Differential