8 results
Severity of Aortic Stenosis in Adults 
Current ACC/AHA guidelines recommend cut-off values for Doppler-echocardiographic measurements of
recommend cut-off values ... valve area (AVA ... >50 mmHg (2) (Table ... with impaired and normal ... AorticStenosis #Classification
Primary and Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Primary (Essential) (95%) - Onset between age
Differential Diagnosis Algorithm ... Mislabelled - Repeatedly normal ... taken at home, work ... Mechanical • Aortic ... Differential #Diagnosis #Algorithm
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
• Low TSH, Low normal ... Hyperthyroidism: Work-up ... Can repeat labs ... T3 → Central (secondary ... Hyperthyroidism #algorithm
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Causes of Secondary ... Oral sodium loading ... Hyperthyroidism • Aortic ... Causes #Screening #Workup ... #table
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Causes of Secondary ... Hypertension - Workup ... with previously stable ... values. 3. ... Coarctation of aorta
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Differential Diagnosis Algorithm ... that a one-off value ... exogenous, EPO levels: normal ... you’ll do a good workup ... #workup #hematology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
neuroexam - Oral ... event, follow ACC algorithm ... risk (>5%): - Aortic ... Severe Aortic stenosis ... Determine if any labs
It is important to recognize Acute Decompensated Heart Failure (ADHF) as more than just simply a
include Crackles/Rales ... is vital while lab ... transitioning to oral ... #differential #algorithm ... cardiology #treatment #table