12 results
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
• Prolonged PT ... • Prolonged PT ... , Normal PT (INR ... #Diagnosis #Algorithm ... #Causes #Hematology
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
Step 1: Is the PT ... Prolonging the PT ... Step 4: Mixing Studies ... prolonged #diagnosis #hematology ... #studies #PTT
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
Algorithm for Investigation ... Tests - Prolonged PT ... and Prolonged PT ... #Laboratory #Hematology ... #Diagnosis #Workup
Approach to Elevated aPTT / PT - Differential Diagnosis Algorithm

aPTT: Intrinsic / Final
PT: Extrinsic / Final

By
/ PT - Differential ... Diagnosis Algorithm ... / Final PT: Extrinsic ... #PT #INR #Algorithm ... #Hematology #differential
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
Differential Diagnosis Algorithm ... /uL Initial Workup ... iron studies, PT ... /aPTT Differential ... #hematology #workup
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
and Management Algorithm ... antiglobulin test, PT ... /aPTT MAHA likely ... hemosiderin • PT ... #hematology
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
Mixing Study • ... • A mixing study ... PT and/or aPTT) ... Study #diagnosis #hematology ... pathophysiology #hematology
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Algorithm History ... Pneumothorax • Pulmonary ... , LET, lipase, PT ... . aPTT • Serial ... Pain #Diagnosis #Algorithm
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
== NORMAL PT ... level NORMAL PT ... Perform a PTT mixing ... If the PT remains ... Differential #Diagnosis #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
for decreased PLT ... for decreased PLT ... selected cases: INR/PT ... , aPTT(liver disease ... #hematology