3118 results
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Diagnosis and Workup ... life-threatening causes ... rupture Initial workup ... LET, lipase, PT. aPTT ... Diagnosis #Algorithm #workup
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... Diagnosis and Workup ... practices that could cause ... : INR/PT, aPTT(liver ... #Workup #hematology
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
Evaluate an Abnormal APTT ... : Is the PT or APTT ... Prolonging the PT or APTT ... to identify the cause ... of Prolonged APTT
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
PT - Prolonged aPTT ... PT - Prolonged aPTT ... Coagulation #Abnormal #APTT ... Hematology #Diagnosis #Workup
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... PT and/or aPTT ... typically prolong aPTT ... Pre-analytical cause ... #Prolonged #Causes
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Causes of Prolonged ... INR), Prolonged PTT ... INR), Prolonged PTT ... (INR), Normal PTT ... Diagnosis #Algorithm #Causes
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
/uL Initial Workup ... iron studies, PT/aPTT ... Algorithm #hematology #workup
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Prolonged PT and aPTT ... the PT and the aPTT ... Causes include : ... Pre-analytical cause ... #Abnormal #PT #aPTT
Approach to Elevated aPTT / PT - Differential Diagnosis Algorithm

aPTT: Intrinsic / Final
PT: Extrinsic / Final

By
Approach to Elevated aPTT ... Diagnosis Algorithm aPTT ... #Elevated #aPTT
Causes of Approach to Altered Level of Consciousness - Workup
Clinical Exam - Focal
 • Trauma
 •
Causes of Approach ... Consciousness - Workup ... Refer to Blood Work ... #diagnosis #workup ... #algorithm #Causes