25 results
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Cost - Cost per test ... etiology of syncope Tests ... Cardiac stress test ... #workup #testing ... #comparison
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Additional laboratory tests ... chronic kidney tests ... Test for celiac ... disease with serology ... #diagnosis #gastroenterology
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Tests for Celiac ... reliable noninvasive test ... first-level screening test ... #Diagnosis #Workup ... #Table
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
scan – get if concern ... Check pregnancy test ... workup choices ... AND management options ... #Algorithm #Workup
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
the screening test ... probability that the test ... will correctly diagnose ... identified by the test ... the screening test
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
tests - Ice cube ... test, TempTest ... test Cryoglobulins ... #rheumatology #comparison ... #table
POCUS Stewardship
Right Indication - Right Interpretation -Right Integration
Indication → Pre-test Probability → Spectrum of Disease →
Indication → Pre-test ... Step 2: Pre-test ... Develop a pre-test ... assign a final post-test ... #diagnosis
Irritable Bowel Syndrome (IBS) - Diagnosis and Workup Summary
Use a positive diagnostic strategy with minimal testing.
and Workup Summary ... cultures, but test ... red flags - Low chance ... Balloon Expulsion Test ... #workup #gastroenterology
Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based tests:
 • FIT: 79% sensitivity, 94% specificity for CRC
Screening Tests ... Stool/blood-based tests ... Multitarget stool DNA test ... #comparison #table ... #management #gastroenterology
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Renal ultrasound, Tests ... sodium loading test ... saline infusion test ... dexamethasone suppression test ... #table