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

Dr.
Algorithm for Investigation ... of Abnormal Coagulation ... #Coagulation #Abnormal ... #Hematology #Diagnosis ... #Workup
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
PTT, Normal PT ... , Normal PT (INR ... #Differential #Diagnosis ... #Algorithm #Causes ... #Hematology #coagulation
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
Algorithm • 12 ... -13 g/dL, • ANC ... iron studies, PT/aPTT ... #Algorithm #hematology ... #workup
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Prolonged Activated Partial ... Jcortesizaguirr #Abnormal ... #Causes #diagnosis ... #differential #hematology
Approach to the Hypercoagulable State
Arterial thromboembolism
→ Cardiac rhythm monitoring, Echocardiogram, Vascular imaging
→ Test for APS, particularly
- No other workup ... screening, CBC, aPTT ... Hypercoagulable #Workup ... #hematology #diagnosis ... #algorithm #hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
variants of both • Acral ... INR < 2.3 - APTT ... < 1.5 x normal ... #diagnosis #causes ... treatment #management #hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... Algorithm Pinpoint ... deficiency Work ... Complete blood count coagulation ... #Differential #Diagnosis
Antiphospholipid Syndrome (APLS) Testing - Hypercoagulable Workup Algorithm
INDICATIONS FOR TESTING:
 • Vascular thrombosis
Hypercoagulable Workup ... Algorithm INDICATIONS ... clinical episodes of arterial ... #Algorithm #diagnosis ... #hematology