63 results
Thyroid Function Tests (TFTs) and Interpretation

 • TSH, Free T4, Free T3
 • T3 Uptake
 •
Thyroid Function Tests ... Free T4, Free T3 ... • T3 Uptake ... Thyroid #Function #Tests ... laboratory #patterns #differential
Approach to the Diagnosis of Hyperthyroidism - Differential Diagnosis and Workup Algorithm

 • Secondary Hyperthyroidism (↑↔TSH,
Hyperthyroidism - Differential ... Diagnosis and Workup ... ↑↔TSH, ↑Total T3 ... (↓TSH, ↔Total T3 ... Hyperthyroidism #Differential
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
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 ... the much smaller differential
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
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 ... Chronic #Diarrhea #Workup ... #diagnosis #differential
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
Diagnostic algorithm for the workup of hypercalcemia. The diagnostic workup for patients presenting with hypercalcemia rests
algorithm for the workup ... The diagnostic workup ... hypercalcemia rests ... Thus, further testing ... #Differential #
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Diarrhea Workup ... Microbiologic-Testing ... Breath test for ... #Diarrhea #Workup ... Transplant #diagnosis #differential