14 results
Hypercalcemia Evaluation
1) Clinical clues
 - Is the patient symptomatic?
 - Family history?
 - Have you done
Hypercalcemia Evaluation ... 1) Clinical clues ... • If all normal ... #differential # ... #workup
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Disorders Testing Algorithm ... during medical evaluation ... • Screen for secondary ... (common causes ... #Differential #
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
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Function Tests in the Evaluation ... Hyperthyroidism: Work-up ... Can repeat labs ... T3 → Central (secondary ... Hyperthyroidism #algorithm
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Diagnosis Algorithm ... Hemoglobin: • Males ... Polycythemia Vera Secondary ... Polycythemia - Acquired Causes ... ), TEMPI (VEGF normal
Hypocalcemia - Differential Diagnosis Algorithm
 • Low Serum Mg: GI losses, Renal losses, Alcoholism, Malnutrition, Drug-Induced
Hypocalcemia - Differential ... Diagnosis Algorithm ... Level Elevated - Secondary ... Inappropriately Normal ... #causes
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Algorithm for the ... Evaluation of Chronic ... Causes of acute ... #workup #diagnosis ... #differential
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Causes of Secondary ... and Differential ... Approach (when evaluation ... values. 3. ... #causes #Differential
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
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory Evaluation ... activity - A low value ... If the value is ... WBC count and differential ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup