225 results
Liver Function Tests (LFTs)
 - Aspartate aminotransferase (AST) 
 - Alanine aminotransferase (ALT) 
 - Alkaline
Liver Function Tests ... (Direct) - Prothrombin ... Liver #Function #Tests ... Laboratory #Diagnosis #Testing
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Syncope Diagnostic Testing ... Cost - Cost per test ... Cardiac stress test ... Syncope #diagnosis #workup ... #testing #Cost
Testing for Diabetes Type II
 - 
Hemoglobin A1c test
 - Random blood sugar test
 - Fasting
Testing for Diabetes ... Hemoglobin A1c test ... - Fasting blood ... sugar test - Oral ... Classification #Testing
Algorithm for the diagnosis of chronic diarrhea.
It is usually impractical to test and treat the many
impractical to test ... diarrhea before testing ... reduce unnecessary testing ... pick specific tests ... Diarrhea #Algorithm #Testing
Prothrombin Time (PT) and Partial Thromboplastin Time (PTT)

Prothrombin Time (PT) - Often Elevated in:
 • Vitamin
Prothrombin Time ... Time (PTT) Prothrombin ... • Underfilled test ... thematttsai #PT #PTT #Prothrombin
COVID-19 PCR and Serology Testing - Timeline
 • Nucleic Acid Test - Most reliable and can
PCR and Serology Testing ... • Nucleic Acid Test ... days • Antibody Test ... 10 days Both tests ... antibody #antibodies #testing
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Additional laboratory tests ... chronic kidney tests ... Test for celiac ... Non-invasive testing ... Gastrointestinal #Evaluation #workup
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
Chronic Diarrhea - Workup ... hydrogen breath test ... A/P, Consider testing ... celiac and/or testing ... Chronic #Diarrhea #Workup
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Used Diagnostic Tests ... reliable noninvasive test ... first-level screening test ... Celiac #Disease #Testing ... #Diagnosis #Workup
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... - CCP antibody testing ... and C serology testing ... Arthritis #laboratory #workup ... #diagnosis #testing