33 results
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
• Prolonged PT ... • Prolonged PT ... , Normal PT (INR ... #Diagnosis #Algorithm ... #Causes #Hematology
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 ... APTT #Laboratory #Hematology ... #Diagnosis #Workup
Approach to Elevated aPTT / PT - Differential Diagnosis Algorithm

aPTT: Intrinsic / Final
PT: Extrinsic / Final

By
Elevated aPTT / PT ... Intrinsic / Final PT ... Elevated #aPTT #PT ... #Hematology #differential ... #diagnosis
Prothrombin Time (PT) and Partial Thromboplastin Time (PTT)

Prothrombin Time (PT) - Often Elevated in:
 • Vitamin
Prothrombin Time (PT ... Prothrombin Time (PT ... thematttsai #PT ... Thromboplastin #laboratory #hematology ... #diagnosis
Coagulation Cascade Mnemonic - PITT vs PET
PITT (with an I) = Intrinsic = APTT
Mnemonic - PITT vs PET ... 9, 10, 11, 12 PET ... E)= Extrinsic=PT ... Mnemonic #PITT #PET ... #diagnosis #hematology
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
Algorithm • 12 ... /uL Initial Workup ... iron studies, PT ... #Algorithm #hematology ... #workup
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
Step 1: Is the PT ... Prolonging the PT ... APTT #prolonged #diagnosis ... #hematology #evaluation ... mixing #studies #PTT
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Workup History ... for decreased PLT ... for decreased PLT ... selected cases: INR/PT ... #hematology
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
- Differential Diagnosis ... and Management Algorithm ... antiglobulin test, PT ... hemosiderin • PT ... #hematology
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Chest Pain - Diagnosis ... and Workup Algorithm ... Pneumothorax • Pulmonary ... , LET, lipase, PT ... #Algorithm #workup