9 results
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Tuberculosis Testing ... TB • LTBI is diagnosed ... intermediate risk of disease ... positive predictive value ... #Diagnosis #Workup
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Commonly Used Diagnostic ... negative predictive value ... #Testing #Laboratory ... #Tests #Diagnosis ... #Workup #Table
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
Chronic Diarrhea - Workup ... hydrogen breath test ... colonoscopy), Abdominal ... for celiac disease ... #diagnosis #differential
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Diagnosis and Screening ... Testing Common ... ultrasound; MRA; abdominal ... #Screening #Workup ... #table
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
- A low value for ... hallmark for the disease ... If the value is ... WBC count and differential ... #Workup #Hematology
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
Recommended initial testing ... for glomerular disease ... C3, C4 - Test for ... disorders that activate ... #workup #diagnosis
Recommended initial testing for patients being evaluated for glomerular disease
1) 24-hour urine collection - Quantify proteinuria.
Recommended initial testing ... . 5) C3, C4 - Test ... disorders that activate ... #workup #diagnosis ... #initial #testing
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Assess functional ... Ischemic heart disease ... determine if stress test ... undergoing AAA or upper abdominal ... stratification #diagnosis
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... to bolus these values ... presentations and disease ... / hypoxemia -> focus ... tests before beginning