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

Dr.
Abnormal Coagulation Tests ... Abnormal #APTT #Laboratory ... #Hematology #Diagnosis ... #Workup
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
Study • Clotting tests ... • Clotting tests ... Mixing #Study #diagnosis ... #hematology #pathophysiology ... #hematology #laboratory
Shotgun Laboratory Testing for Severe Acute Livery Injury

https://www.journalofhospitalmedicine.com/jhospmed/article/143598/hospital-medicine/ammonia-levels-and-hepatic-encephalopathy-patients-known

#TWDFNR #Testing #Laboratory #LiverInjury #Diagnosis #Workup #Hepatology #EBM #ChoosingWisely
Shotgun Laboratory ... Severe Acute Livery Injury ... TWDFNR #Testing #Laboratory ... #LiverInjury #Diagnosis ... #Workup #Hepatology
Bayesian combination of 4T score with Heparin PF4 antibody titer to obtain the post-test probability of
obtain the post-test ... PF4Antibody #Bayesian #Diagnosis ... #Hematology #HITT ... Thrombocytopenia #Laboratory
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
DAT Results in Autoimmune ... #antiglobulin #test ... #DAT #Autoimmune ... #Hemolysis #hematology ... #diagnosis
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
- Differential Diagnosis ... Membrane): - Autoimmune ... Hypophostphatemia Laboratory ... Tests: - Haptoglobin ... #hematology
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
Liver Function Tests ... - Differential Diagnosis ... Drug-induced liver injury ... Liver #Function #Tests ... #hepatology #transaminitis
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
ACTH stimulation test ... cases in which injury ... confirmation of autoimmune-mediated ... #diagnosis #testing ... endocrinology #workup
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
- Differential Diagnosis ... → liver test abnormalities ... Differential Diagnosis ... Other: NAFLD, Autoimmune ... #hepatology #algorithm
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... antibody (ANA) test ... ; if positive, test ... Screening Tests ... #workup #diagnosis