22 results
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
: Is the PT or APTT ... K Antagonists, Heparin ... to identify the cause ... #prolonged #diagnosis ... #hematology #evaluation
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
- Differential Diagnosis ... and Management ... hemoglobin/hemosiderin, Hepatic ... hemosiderin • PT/aPTT ... #hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... (e.g. heparin contamination ... thrombin inhibitors, heparin ... • Reduced liver ... #hematology #coagulation
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Early liver disease ... Reduced liver synthesis ... #diagnosis #differential ... #hematology #coagulation
Prothrombin Time (PT) and Partial Thromboplastin Time (PTT)

Prothrombin Time (PT) - Often Elevated in:
 • Vitamin
Thromboplastin Time (PTT ... inhibitor • Liver ... elevated in: • Heparin ... Thromboplastin #laboratory #hematology ... #diagnosis
Portal Hypertension - Differential Diagnosis
Portal Pressure = the pressure difference between the pressure in the portal
- Differential Diagnosis ... hepatorenal syndrome Clues ... sarcoidosis) • Liver ... #Differential #Diagnosis ... #causes #hepatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... : INR/PT, aPTT(liver ... bypass), LFT (liver ... #Differential #Diagnosis ... #hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
DIC • Severe Liver ... INR < 2.3 - APTT ... #Coagulation #diagnosis ... #causes #treatment ... #management #hematology
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
and Management ... old, ~10,000 new cases ... acute leukemia Management ... #Management #treatment ... #hematology #oncology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... deficiency • Liver ... #Differential #Diagnosis ... #hematology #rheumatology ... #nonpalpable #dermatology