33 results
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Interpretation Algorithm ... • Normal • ... #Pulmonary #FunctionTests ... Interpretation #Algorithm
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Causes of Prolonged ... (INR), Normal PTT ... Prolonged PTT, Normal ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Early liver disease ... e.g. heparin ... Reduced liver synthesis ... Jcortesizaguirr #Abnormal
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
for a Prolonged PT ... (e.g. heparin contamination ... thrombin inhibitors, heparin ... • Reduced liver ... amyloidosis #Abnormal
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
PT/NORMAL PTT: ... PT/ABNORMAL PTT ... Acquired: • Heparin ... PT/NORMAL PTT: ... PT/ABNORMAL PTT
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
and Management Algorithm ... hemoglobin/hemosiderin, Hepatic ... antiglobulin test, PT ... hemosiderin • PT ... /aPTT normal
Causes of Acute Liver Injury - Differential Diagnosis
Hepatocellular - Liver Parenchyma
 • Infectious: Hepatitis C, A,
Causes of Acute ... Vasculature • Hepatic ... Congestion/CHF • Hepatic ... Differential #Diagnosis #Causes ... #Acute #algorithm
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 ... K Antagonists, Heparin ... Prolonging the PT ... to identify the cause
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
• Prolonged PT ... Fibrinogen: ↓ • PT ... DIC • Severe Liver ... Treat primary cause ... Coagulation #diagnosis #causes
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Differential Diagnosis Algorithm ... Deficiency - Abnormal ... Differential #Diagnosis #Algorithm ... #Causes #Hematology