719 results
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
low TSH, High T4/T3 ... Check pregnancy test ... affects diagnostic workup ... Diagnosis #Algorithm #Workup
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Thyroid Function Tests ... normal T4 +/- T3 ... Hyperthyroidism: Work-up ... TSH, high T4 +/- T3 ... TSH, high T4 +/- T3
Thyroid Function Test Interpretation Table

TSH, Free T4, Free T3 and Associated Condition
#Diagnosis #Endocrinology #Hyperthyroid #Hypothyroid #Function
Thyroid Function Test ... Free T4, Free T3 ... Hypothyroid #Function #Tests
Thyroid Function Tests (TFTs) and Interpretation

 • TSH, Free T4, Free T3
 • T3 Uptake
 •
Thyroid Function Tests ... Free T4, Free T3 ... • T3 Uptake ... FTI) • Reverse T3 ... Thyroid #Function #Tests
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 ... Syncope #diagnosis #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 - Test ... #Diagnosis #Workup
The following graph was prepared based on the latest information on Testing for the Diagnosis of
bother doing any tests ... There are NO tests ... that the RNA PCR test ... If the RNA PCR test ... (aka Combo tests
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Additional laboratory tests ... chronic kidney tests ... Test for celiac ... Gastrointestinal #Evaluation #workup
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
Study • Clotting tests ... • Clotting tests ... order for the test ... abnormal clotting test ... ) • Clotting test
COVID-19 PCR and Serology Testing - Timeline
 • Nucleic Acid Test - Most reliable and can
• Nucleic Acid Test ... days • Antibody Test ... 10 days Both tests