87 results
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
Evaluate an Abnormal APTT ... Step 1: Is the PT ... Prolonging the PT ... to identify the cause ... #prolonged #diagnosis
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
PTT • Prolonged ... PTT • Prolonged ... PTT, Normal PT ... • Prolonged PTT ... #Diagnosis #Algorithm
Approach to Elevated aPTT / PT - Differential Diagnosis Algorithm

aPTT: Intrinsic / Final
PT: Extrinsic / Final

By
Approach to Elevated aPTT ... / PT - Differential ... aPTT: Intrinsic ... #Elevated #aPTT ... #PT #INR #Algorithm
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
Tests - Prolonged PT ... - Prolonged aPTT ... and Prolonged PT ... - Prolonged aPTT ... Laboratory #Hematology #Diagnosis
Coagulation Cascade Mnemonic - PITT vs PET
PITT (with an I) = Intrinsic = APTT
vs PET PITT (with ... = Intrinsic = APTT ... 9, 10, 11, 12 PET ... E)= Extrinsic=PT ... #PET #diagnosis
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
PT and/or aPTT ... Prothrombin Time (PT ... typically prolong PT ... #Abnormal #PT ... #Causes #diagnosis
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
and Management ... antiglobulin test, PT ... /aPTT MAHA likely ... hemosiderin • PT ... /aPTT normal •
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 ... #Abnormal #PT ... #Causes #diagnosis
Prothrombin Time (PT) and Partial Thromboplastin Time (PTT)

Prothrombin Time (PT) - Often Elevated in:
 • Vitamin
Prothrombin Time (PT ... Thromboplastin Time (PTT ... Prothrombin Time (PT ... Thromboplastin Time (PTT ... #PTT #Prothrombin
Causes of AKI in Pregnancy - Differential Diagnosis
Creatinine - Platelets - Transaminases - LDH - PT/PTT
Causes of AKI in ... - Differential Diagnosis ... Transaminases - LDH - PT ... /PTT - Schistocytes ... #Causes #table