6 results
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Early liver disease ... deficiencies: Contact ... Reduced liver synthesis ... Causes #diagnosis #differential ... #hematology #coagulation
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... hemorrhagic skin lesions ... deficiency • Liver ... #Diagnosis #hematology ... #nonpalpable #dermatology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... Pre-analytical cause (e.g. heparin ... thrombin inhibitors, heparin ... • Reduced liver ... #hematology #coagulation
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Syndrome, Ischemic Liver ... atherosclerotic lesions ... intravascular coagulation ... pathophysiology #hematology ... #differential #
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs R-value ... • Albumin • Coagulation ... factors: PT/INR ... replaced by non-hepatic ... chemistry #diagnosis #differential
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
of Hemostasis - Differential ... inhibitor of a coagulation ... Acquired: • Heparin ... intravascular coagulation ... #Diagnosis #Hematology