6 results
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Congenital intrinsic coagulation ... intravascular coagulation ... Jcortesizaguirr #Abnormal ... Prolonged #Causes #diagnosis
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... , FVII, FIX, FX ... amyloidosis #Abnormal ... Prolonged #Causes #diagnosis ... differential #hematology #coagulation
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
levels of factors VII ... Thromboembolism (7%) • CNS ... Thrombocytopenia - Normal ... - APTT < 1.5 x normal ... #diagnosis #causes
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
- Differential Diagnosis ... inhibitor of a coagulation ... PT/ABNORMAL PTT ... intravascular coagulation ... #Differential #Diagnosis
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... cranial nerves V and VII ... Rinne Test: • Normal ... auditory nerve (CN ... #Differential #Diagnosis
Toaster Electrocution Electrical Injury
Primary determination of injury extent = amount of CURRENT flowing through body.
VARIABLES: voltage,
VASC: necrosis, coagulation ... CNS- stroke, seizure ... Abnormal ECG or ... do NOT recreate video ... Injury #clinical #video