14 results
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
Evaluate an Abnormal APTT ... : Is the PT or APTT ... K Antagonists, Heparin ... to identify the cause ... prolonged #diagnosis #hematology
Recurrent / Breakthrough DVT During Anticoagulation

Subtherapeutic Anticoagulation
Hypercoagulable State 
 - Antithrombin deficiency 
 - Hypercoagulability ot
Breakthrough DVT During Anticoagulation ... Subtherapeutic Anticoagulation ... APLS - MPN/PNH ... Structural - Pelvic masses ... #hematology #differential
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Treat primary cause ... 100mg/dL) - Heparin ... INR < 2.3 - APTT ... Coagulation #diagnosis #causes ... treatment #management #hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Prolonged PT and aPTT ... the PT and the aPTT ... (e.g. heparin contamination ... thrombin inhibitors, heparin ... #differential #hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... unfractionated heparin ... Pre-analytical cause ... e.g. heparin ... #differential #hematology
Patient risk stratification algorithm for the treatment of cancer-associated thrombosis.

Currently, edoxaban and rivaroxaban are the only
molecular weight heparin ... Cancer #Algorithm #Anticoagulation ... #Management #Hematology ... #Oncology
The coagulation cascade is shown, separated into different phases with their endogenous and pharmacological inhibitors shown.
thrombin #clot #PT #PTT ... diagnosis #models #hematology ... pathophysiology #anticoagulation ... Rivaroxaban #Edoxaban #heparin
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
• Secondary Causes ... deficiencies - PNH ... Cholesterol emboli • Septic ... Differential #Diagnosis #hematology ... #rheumatology #
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
cardiac valves (septic ... Hyperhomocysteinemia - Heparin-induced ... coagulation and other causes ... - COVID-19 - PNH ... pathophysiology #hematology
Treatment algorithm for VTE in Malignancy

(A) Suggested treatment algorithm for symptomatic and incidental DVT or PE
low-molecular-weight heparin ... Cancer #Algorithm #Anticoagulation ... #Management #Hematology ... #Oncology