9 results
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
Algorithm for Investigation ... PT - Prolonged aPTT ... DrEricStrong #Algorithm ... #Laboratory #Hematology ... #Diagnosis #Workup
Chest Pain - Diagnosis and Workup Algorithm

History and Exam
Acute life-threatening causes:
 • Acute myocardial infarction
 •
Diagnosis and Workup ... Algorithm History ... LET, lipase, PT. aPTT ... Pain #Diagnosis #Algorithm ... #workup
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 #Diagnosis #Algorithm ... #hematology #workup
Laboratory Evaluation of Hypocalcemia #Diagnosis #EM #IM #Evaluation #Workup #Hypocalcemia #PTH #Differential #Algorithm #Ddxof
Laboratory Evaluation ... IM #Evaluation #Workup ... #Differential #Algorithm
Approach to the Hypercoagulable State
Arterial thromboembolism
→ Cardiac rhythm monitoring, Echocardiogram, Vascular imaging
→ Test for APS, particularly
- No other workup ... screening, CBC, aPTT ... Hypercoagulable #Workup ... hematology #diagnosis #algorithm
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
nickmmark #acidbase #workup ... #algorithm #diagnosis ... respiratory #bloodgas #interpretation
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Hyperthyroidism: Work-up ... Hyperthyroidism #algorithm ... endocrinology #TFTs #TSH #Interpretation
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... performed PT, PTT ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic algorithm ... in most cases; interpretation ... dependent upon local laboratory ... #differential #algorithm