9 results
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Causes of Prolonged ... PTTProlonged ... PTTProlonged ... PTTProlonged ... Differential #Diagnosis
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
Clinical • Easy bruising ... • Prolonged ... INR • Normal aPTT ... (prolonged if very ... VonWillebrand #Disease #Diagnosis
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
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
Bleeding and Bruising ... /ABNORMAL PTT: ... Perform a PTT mixing ... /NORMAL PTT: Suggests ... /ABNORMAL PTT:
Hemophilia - Diagnosis and Management
Diagnosis:
 • Consistent bleeding history (unless screening for disease in family members
and Management ... established disease) • aPTT ... is prolonged, but ... mixing study (aPTT ... normal in mild cases
Bleeding manifestations 
Petechiae are small, flat, red, discrete areas of skin bleeding that are typically <2
ecchymosis) is caused ... Excessive bruising ... & prolonged bleeding ... to be normal, PT ... Diagnosis VWF
Ketosis Disorders
Ketone bodies are a normal metabolic energy source. Excessive unregulated production of ketones, often accompanied
IVF or PO): The pt ... ketoacidosis (DKA) - caused ... Glucosuria causes ... #differential #diagnosis ... #management #endocrinology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
manifestations: from easy bruising ... purpura to mucosal bleeding ... ↑ PTT • ↑ Fibrin ... Activation #Syndrome #Diagnosis ... #Management #Hematology
Pheochromocytoma - Diagnosis and Management Summary
10 percent rule = 10% of pheochromocytomas are extra-adrenal, multiple, bilateral,
Pheochromocytoma - Diagnosis ... malignant, pediatric cases ... and Signs: 50% pts ... , induction of anesthesia ... adrenoceptors, potentially leading