14 results
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
PT (INR), Prolonged ... PT (INR), Prolonged ... PTT, Normal PT ... PTT, Normal PT ... #PPT #PT #INR #
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
PT - Prolonged ... aPTT and Prolonged ... PT - Prolonged ... #Laboratory #Hematology ... #Diagnosis #Workup
Approach to Elevated aPTT / PT - Differential Diagnosis Algorithm

aPTT: Intrinsic / Final
PT: Extrinsic / Final

By
/ PT - Differential ... Diagnosis Algorithm ... / Final PT: Extrinsic ... #PT #INR #Algorithm ... #Hematology #differential
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Thrombocytopenia • Prolonged ... PT/PTT • Low ... Fibrinogen: ↓ • PT ... /INR: ↑ • PTT: ... < 2.3 - APTT
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
bleeding • Prolonged ... 2B) • Normal PT ... /INR • Normal ... aPTT (prolonged ... Disease #Diagnosis #Hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
PT and aPTT If ... the PT and the ... aPTT are both prolonged ... #Abnormal #PT ... #aPTT #Prolonged
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
Differential Diagnosis Algorithm ... /uL Initial Workup ... iron studies, PT ... /aPTT Differential ... #hematology #workup
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Algorithm History ... Pneumothorax • Pulmonary ... , LET, lipase, PT ... . aPTT • Serial ... Pain #Diagnosis #Algorithm
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
== NORMAL PT ... level NORMAL PT ... If the PT remains ... DIC ABNORMAL PT ... Prolongation of the PT
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... for decreased PLT ... for decreased PLT ... : INR/PT, aPTT(liver ... #hematology