29 results
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
to Evaluate an Abnormal ... Step 1: Is the PT ... Patient Receiving Anticoagulants ... Heparin, or Direct Thrombin ... APTT #prolonged #diagnosis
Effect of Anticoagulants on Coagulation Tests
PT / INR, aPTT, Anti-Xa Activity, Activated Clotting Time, Thrombin Time,
Effect of Anticoagulants ... Coagulation Tests PT ... Clotting Time, Thrombin ... EricsMedicalLectures/ #Anticoagulants ... Anticoagulation #Testing #Diagnosis
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
PT/NORMAL PTT: ... PT/ABNORMAL PTT ... PT/NORMAL PTT: ... PT/ABNORMAL PTT ... warfarin, direct thrombin
The coagulation cascade is shown, separated into different phases with their endogenous and pharmacological inhibitors shown.
at the site of injury ... Thrombin, then primes ... #clot #PT #PTT ... #diagnosis #models ... anticoagulation #anticoagulant
This 24M presented with acute onset CP/SOB, hypoxia, HR 150s. What's the diagnosis? Treatment options? Hint:
What's the diagnosis ... Thrombus in transit ... Pt had extensive ... 3 d later with normal ... Echocardiogram #A4C
ISTH Scoring System for Disseminated Intravascular Coagulation (DIC)
Platelet count:
 • Expected: Low (or normal)
 • Elevation
• Elevation in thrombin ... platelet aggregation PT ... can accelerate thrombin ... using INR use PT ... ISTH #Scoring #diagnosis
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... heparin - Other anticoagulants ... drugs e.g. direct thrombin ... Jcortesizaguirr #Abnormal ... #Causes #diagnosis
Evaluation of Electrical Injury in the Emergency Department 

Common Injuries by System:

CNS - Seizure, coma, spinal
of Electrical Injury ... Seizure, coma, spinal ... cord injury (can ... especially with AC ... Electricity #Evaluation #Diagnosis
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... for a Prolonged PT ... drugs (e.g. direct thrombin ... amyloidosis #Abnormal ... #Causes #diagnosis
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential Diagnosis ... below the site of injury ... below the site of injury ... • Gait is abnormal ... dysfunction • Abnormal