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

Dr.
Algorithm for Investigation ... Tests - Prolonged PT ... - Prolonged aPTT ... and Prolonged PT ... DrEricStrong #Algorithm
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
Coagulation Protein Tests (PT and PTT)

#Coagulation #Tests #PTT #algorithm #differential #pathophysiology
Protein Tests (PT ... and PTT) #Coagulation ... #Tests #PTT #algorithm
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 •
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

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

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Diagnosis and Workup Algorithm ... , LET, lipase, PT ... . aPTT • Serial ... Pain #Diagnosis #Algorithm
Standardized Physical Abuse Guideline
<6 months of age
 • Social work consult
 • Skeletal survey
 • Head
signs of chest trauma ... appearance • CBC, PT ... , PTT if bruising
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Recent history of trauma ... • Prolonged PT ... /PTT • Low plasma ... Fibrinogen: ↓ • PT ... INR < 2.3 - APTT
Approach to the Hypercoagulable State
Arterial thromboembolism
→ Cardiac rhythm monitoring, Echocardiogram, Vascular imaging
→ Test for APS, particularly
(e.g. surgery, trauma ... screening, CBC, aPTT ... hematology #diagnosis #algorithm