11 results
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Causes of Prolonged ... PT (INR) - Bleeding ... PT (INR) - No Bleeding ... Differential #Diagnosis #Algorithm ... #coagulation #disorders
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Differential Diagnosis Algorithm ... Destruction • Abnormal ... Iatrogenic) • Liver ... #Causes #Hematology
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
PT/NORMAL PTT: ... PT/ABNORMAL PTT ... ) ABNORMAL PT ... PT/ABNORMAL PTT ... discern these causes
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
• Prolonged PT ... Fibrinogen: ↓ • PT ... DIC • Severe Liver ... Treat primary cause ... #diagnosis #causes
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Early liver disease ... Pre-analytical cause ... Reduced liver synthesis ... Jcortesizaguirr #Abnormal
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
for a Prolonged PT ... and aPTT If the PT ... • Reduced liver ... amyloidosis #Abnormal ... differential #hematology #coagulation
Causes of Abnormal Genital Bleeding - Differential Diagnosis Algorithm
Non-Gynecologic:
 • Medical (e.g. coagulopathy, liver disease, renal
Causes of Abnormal ... Genital Bleeding ... Differential Diagnosis Algorithm ... coagulopathy, liver ... #Causes #OBGyn
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Chronic Disease Normal ... 80-100 fL) • Bleeding ... Renal Disease, Liver ... #Causes #Hematology
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
- If both are normal ... • Albumin • Coagulation ... factors: PT/INR ... of ALP • Near normal ... RBC (hemolysis, bleeding
Bleeding manifestations 
Petechiae are small, flat, red, discrete areas of skin bleeding that are typically <2
ecchymosis) is caused ... are typical of coagulation ... levels tend to be normal ... , PT should be normal ... Measurement of coagulation