9 results
Effect of Anticoagulants on Coagulation Tests
PT / INR, aPTT, Anti-Xa Activity, Activated Clotting Time, Thrombin Time,
on Coagulation Tests ... PT / INR, aPTT, ... Anticoagulation #Testing ... #Diagnosis #Laboratory ... #Effects
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
Algorithm for Investigation ... Abnormal Coagulation Tests ... PT - Prolonged aPTT ... DrEricStrong #Algorithm ... #Laboratory #Hematology
Syphilis Diagnostic Algorithm
 • Syphilis (TP) EIA
 • RPR
 • A different treponemal specific test (TPPA)

ID
Syphilis Diagnostic Algorithm ... treponemal specific test ... Syphilis #Diagnosis #Algorithm ... #Testing #laboratory
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Used Diagnostic Tests ... reliable noninvasive test ... gold standard - Reflects ... Celiac #Disease #Testing ... #Laboratory #Tests
Effect of Direct Oral Anticoagulants on Hemostatic Tests
Horizontal bars correspond to the approximate range of detectability
Effect of Direct ... on Hemostatic Tests ... anticoagulation #hematology #laboratory ... #testing #aptt
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
NORMAL PT/NORMAL PTT ... cascade is intact - test ... coagulation, or defects ... liver function tests ... fibrinogen levels, and testing
Antibiotic Susceptibility Testing Methods
1) Kirby Bauer Disk Diffusion: disks impregnanted w/ Abx → circular gradient →
Susceptibility Testing ... Gradient diffusion (E test ... MIC 4) Automated testing ... concentrations + algorithms ... #laboratory #microbiology
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic algorithm ... confirmed via genetic testing ... in most cases; interpretation ... dependent upon local laboratory ... #differential #algorithm
Celiac Disease - Diagnosis Algorithm
IgA TTG has high sensitivity and specificity of ~ 98% and is
Disease - Diagnosis Algorithm ... IgA deficiency affects ... pts need further testing ... -A negative test ... -A positive test