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

Dr.
Algorithm for Investigation ... Tests - Prolonged PT ... and Prolonged PT ... DrEricStrong #Algorithm ... Hematology #Diagnosis #Workup
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
Step 1: Is the PT ... Antagonists, Heparin, or Direct ... Prolonging the PT ... or APTT? ... cause of Prolonged APTT
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
and Management Algorithm ... antiglobulin test, PT ... /aPTT MAHA likely ... hemosiderin • PT ... /aPTT normal •
Jaundice Evaluation Algorithm #Diagnosis #Management #EM #IM #GI #Jaundice #Hyperbilirubinemia #Workup #Evaluation #Differential #Algorithm #Direct #Indirect
Jaundice Evaluation Algorithm ... Management #EM #IM ... Hyperbilirubinemia #Workup ... #Differential #Algorithm ... #Direct #Indirect
Approach to Elevated aPTT / PT - Differential Diagnosis Algorithm

aPTT: Intrinsic / Final
PT: Extrinsic / Final

By
Approach to Elevated aPTT ... / PT - Differential ... Diagnosis Algorithm ... aPTT: Intrinsic ... #PT #INR #Algorithm
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal PT ... Prothrombin Time (PT ... Direct Xa inhibitors ... Direct or indirect ... inhibitory drugs e.g. direct
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Algorithm History ... , LET, lipase, PT ... . aPTT • Serial ... Pain #Diagnosis #Algorithm ... #workup
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 and the aPTT ... Drugs: Direct or ... drugs (e.g. direct
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
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Causes of Prolonged PT ... • Prolonged PT ... • Prolonged PT ... , Normal PT (INR ... Differential #Diagnosis #Algorithm