16 results
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Causes of Prolonged ... PTTProlonged ... PTTProlonged ... Differential #Diagnosis ... #coagulation #disorders
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
or APTT Artifactually ... to identify the cause ... of Prolonged APTT ... #prolonged #diagnosis ... mixing #studies #PTT
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
PT and/or aPTT ... aPTT) 3. ... PT and aPTT 1. ... #aPTT #Prolonged ... #Causes #diagnosis
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... PT and aPTT If ... aPTT are both prolonged ... #aPTT #Prolonged ... #Causes #diagnosis
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
inherited bleeding disorder ... bleeding • Prolonged ... INR • Normal aPTT ... (prolonged if very ... VonWillebrand #Disease #Diagnosis
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Platelet Disorders ... - Differential Diagnosis ... : INR/PT, aPTT(liver ... (CVID, WAS), (neurologic ... #Differential #Diagnosis
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
/NORMAL PTT: • ... /NORMAL PTT: Suggests ... prolonged after ... /ABNORMAL PTT: ... discern these causes
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Thrombocytopenia • Prolonged ... PT/PTT • Low ... /INR: ↑ • PTT: ... INR < 2.3 - APTT ... #Coagulation #diagnosis
Prolonged neuromuscular blockade - Differential Diagnosis
- Drugs, Acid-base Disorders, Metabolic, Neurologic, Electrolyte abnormalities

By Mark Harris, MD
Prolonged neuromuscular ... - Differential Diagnosis ... Drugs, Acid-base Disorders ... , Metabolic, Neurologic ... Anesthesiology #Causes
Amenorrhea - Differential Diagnosis Algorithm
Elevated FSH
 • Premature Ovarian Failure
 • Menopa use
 • Spontaneous
Bleed With
- Differential Diagnosis ... Weight Loss, Eating Disorders ... Exercise, Stress, Prolonged ... #Algorithm #endocrinology ... #causes