20 results
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
of Abnormal Coagulation ... Tests - Prolonged ... #APTT #Laboratory ... #Hematology #Diagnosis ... #Workup
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
- Differential Diagnosis ... Algorithm Normal ... Liver Function Tests ... Deficiency - Abnormal ... #Hematology
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
, diagnose iron ... • Additional laboratory ... disease with serology ... change medical management ... Gastrointestinal #Evaluation #workup
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Check pregnancy test ... workup choices ... AND management options ... (see below)! ... #Algorithm #Workup
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
) - Diagnosis and ... versus DIL • Laboratory ... • Immunologic Workup ... : Chronic disease ... #rheumatology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Defects: Sickle cell anemia ... Hypophostphatemia Laboratory ... Tests: - Haptoglobin ... Blood Smear ↑ abnormal ... #hematology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... the presence of anemia ... more time for the laboratory ... (to support a diagnosis ... #workup #diagnosis
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Algorithm • Sickle ... ): SS, SC, SE, Sβ ... #Algorithm #workup ... #hematology #testing
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... and Workup History ... , ANA (e.g., SLE ... changes), high MCV anemia ... #hematology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
calcium-b) • Laboratory ... • Immunologic Workup ... • Immunologic Workup ... : Chronic disease ... #diagnosis #management