7 results
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Causes of Prolonged ... PTT, Normal PT ... Differential #Diagnosis #Algorithm ... #Causes #Hematology ... #coagulation #disorders
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
PT and/or aPTT ... to one factor e.g ... e.g. heparin ... inhibitory drugs e.g ... #differential #hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
PT and the aPTT ... (e.g. heparin contamination ... inhibitory drugs (e.g ... specific inhibitor (e.g ... #coagulation
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Differential Diagnosis Algorithm ... Rare • Drugs (e.g ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Diagnosis and Workup Algorithm ... life-threatening causes ... Initial workup: • EKG ... , LET, lipase, PT ... . aPTT • Serial
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... : INR/PT, aPTT(liver ... function test, ANA (e.g ... or if a primary hematologic ... #Workup #hematology
Hemophilia - Diagnosis and Management
Diagnosis:
 • Consistent bleeding history (unless screening for disease in family members
mixing study (aPTT ... normal in mild cases ... ) • PT/INR & von ... hemophilia type (e.g ... Management #treatment #hematology