13 results
Effect of Anticoagulants on Coagulation Tests
PT / INR, aPTT, Anti-Xa Activity, Activated Clotting Time, Thrombin Time,
Coagulation Tests PT ... Clotting Time, Thrombin ... Anticoagulation #Testing #Diagnosis ... #Laboratory #Effects
ISTH Scoring System for Disseminated Intravascular Coagulation (DIC)
Platelet count:
 • Expected: Low (or normal)
 • Elevation
• Elevation in thrombin ... platelet aggregation PT ... using INR use PT ... ISTH #Scoring #diagnosis ... #hematology #laboratory
This 24M presented with acute onset CP/SOB, hypoxia, HR 150s. What's the diagnosis? Treatment options? Hint:
What's the diagnosis ... Thrombus in transit ... Pt had extensive ... Echocardiogram #A4C ... PulmonaryEmbolism #Thrombus
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
Pancytopenia - Differential ... Diagnosis Algorithm ... 12-13 g/dL, • ANC ... iron studies, PT ... Diagnosis: •
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... for a Prolonged PT ... drugs (e.g. direct thrombin ... Prolonged #Causes #diagnosis ... #differential #
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal PT ... Prothrombin Time (PT ... drugs e.g. direct thrombin ... Prolonged #Causes #diagnosis ... #differential #
Commonly Observed Laboratory Findings in Hepatic / Liver Failure
 - Elevated conjugated and unconjugated bilirubin -
Commonly Observed Laboratory ... liver glycogen stores ... - Prolonged PT ... Hepatic #Hepatology #Laboratory ... #Diagnosis #Testing
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
of Hemostasis - Differential ... Diagnosis Framework ... warfarin, direct thrombin ... Bruising #Hemostasis #Differential ... #Diagnosis #Hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
• Prolonged PT ... • Increased thrombin ... venipuncture sites Laboratory ... Fibrinogen: ↓ • PT ... #Coagulation #diagnosis
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Diagnosis Framework ... texture at bald spots ... fungi Initial Laboratory ... #Diagnosis #dermatology