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

Dr.
Tests - Prolonged PT ... - Prolonged aPTT ... and Prolonged PT ... - Prolonged aPTT ... #Workup
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Chest Pain - Diagnosis ... life-threatening causes ... , LET, lipase, PT ... . aPTT • Serial ... #Chest #Pain #Diagnosis
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
PT and/or aPTT ... Prothrombin Time (PT ... typically prolong PT ... #Abnormal #PT ... #Causes #diagnosis
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
and Management ... antiglobulin test, PT ... /aPTT MAHA likely ... hemosiderin • PT ... /aPTT normal •
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
for a Prolonged PT ... and aPTT If the ... PT and the aPTT ... #Abnormal #PT ... #Causes #diagnosis
Causes of AKI in Pregnancy - Differential Diagnosis
Creatinine - Platelets - Transaminases - LDH - PT/PTT
Causes of AKI in ... - Differential Diagnosis ... Transaminases - LDH - PT ... /PTT - Schistocytes ... #Causes #table
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
- Differential Diagnosis ... /uL Initial Workup ... iron studies, PT ... /aPTT Differential ... Algorithm #hematology #workup
Standardized Physical Abuse Guideline
<6 months of age
 • Social work consult
 • Skeletal survey
 • Head
age • Social work ... appearance • CBC, PT ... , PTT if bruising ... Abuse #Guidelines #Workup ... Peds #Pediatrics #Diagnosis