16 results
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Elevated Hemoglobin ... : • Males: Hb ... Polycythemia Vera Secondary ... Polycythemia - Acquired Causes ... ), TEMPI (VEGF normal
Hypocalcemia - Differential Diagnosis Algorithm
 • Low Serum Mg: GI losses, Renal losses, Alcoholism, Malnutrition, Drug-Induced
Diagnosis Algorithm ... Intact PTH Level Elevated ... - Secondary Hyperparathyroidism ... Inappropriately Normal ... #causes
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
intralobular bile ducts causes ... wasting PBC Labs ... • ALT & AST normal ... bile ducts Differential ... #diagnosis #workup
Non-ACS Myocardial Injury - Elevated Troponin Differential Diagnosis and Workup Algorithm

 • Chronic Myocardial Injury: End
Troponin Differential ... Diagnosis and Workup ... Algorithm • ... or Normal ... Occlusion • Stable
Hypercalcemia Evaluation
1) Clinical clues
 - Is the patient symptomatic?
 - Family history?
 - Have you done
Evaluation 1) Clinical clues ... • If all normal ... #differential # ... endocrinology #calcium #elevated ... #evaluation #workup
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 ... #Diagnosis #Algorithm
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
activity - A low value ... If the value is ... levels - Usually normal ... WBC count and differential ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Causes of Secondary ... Hypertension - Differential ... Oral sodium loading ... #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 ... and Differential ... values. 3. ... #causes #Differential
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... Diagnosis Algorithm ... an underlying cause ... that a one-off value ... exogenous, EPO levels: normal