24 results
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Syncope Diagnostic ... Frequency obtained - Abnormal ... - Cost per test ... Brain MRI, Cardiac stress ... #workup #testing
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
Investigation of Abnormal ... Coagulation Tests ... #APTT #Laboratory ... #Hematology #Diagnosis ... #Workup
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
Study • Clotting tests ... can be abnormal ... Mixing #Study #diagnosis ... #hematology #pathophysiology ... #hematology #laboratory
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
- Differential Diagnosis ... Hypophostphatemia Laboratory ... Tests: - Haptoglobin ... Blood Smear ↑ abnormal ... #hematology
Liver Chemistry Tests - AST, ALT, Alkaline Phosphatase and Bilirubin Metabolism
AST and ALT:
 • AST: liver
Liver Chemistry Tests ... cytoplasmic (CAST ... #Laboratory #Metabolism ... AlkPhos #Bilirubin #Hepatology ... Pathophysiology #Diagnosis
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
- Differential Diagnosis ... disease • Pull test ... fungi Initial Laboratory ... Tests: • TSH ... #Differential #Diagnosis
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... activity is the diagnostic ... value is low, tests ... indirect antiglobulin tests ... #Workup #Hematology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... more time for the laboratory ... (to support a diagnosis ... Rheumatoid #Arthritis #laboratory ... #workup #diagnosis
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Erythematosus (SLE) - Diagnosis ... versus DIL • Laboratory ... - CRP: Usually normal ... • Immunologic Workup ... Erythematosus #Diagnosis
Syncope Cost-Effectiveness Workup
Cost-effective tests for most patients: 
 • Orthostatic BP
 • ECG
 • Telemetry (if
Workup Cost-effective ... tests for most ... tests, in absence ... EEG • Cardiac stress ... EricsMedicalLectures/ #Syncope #diagnosis