36 results
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
and Screening Testing ... ultrasound, Tests ... salivary cortisol • Hypothyroidism ... • Hyperthyroidism ... Causes #Screening #Workup
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
Thyroid Function Tests ... Evaluation of Hyperthyroidism ... : Work-up similar ... to hyperthyroidism ... #algorithm #diagnosis
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
Algorithm for Investigation ... Abnormal Coagulation Tests ... DrEricStrong #Algorithm ... Abnormal #APTT #Laboratory ... Hematology #Diagnosis #Workup
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism ... ) - Diagnostic Algorithm ... Check pregnancy test ... #Hyperthyroidism ... #Workup #Endocrinology
Syphilis Diagnostic Algorithm
 • Syphilis (TP) EIA
 • RPR
 • A different treponemal specific test (TPPA)

ID
Syphilis Diagnostic Algorithm ... treponemal specific test ... Syphilis #Diagnosis #Algorithm ... #Testing #laboratory
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
• Additional laboratory ... tests may be needed ... Test for celiac ... Non-invasive testing ... Gastrointestinal #Evaluation #workup
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Diagnosis and Workup ... • SIADH • hypothyroidism ... • adrenal insufficiency ... Hypernatremia #Diagnosis #Workup ... #Algorithm #Nephrology
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
ACTH stimulation test ... autoantibody tests ... Insufficiency #Evaluation #laboratory ... #diagnosis #testing ... endocrinology #workup
Adrenal Insufficiency Algorithm - Cosyntropin Stimulation Test
T-1m: Baseline cortisol drawn
T0: 250 µg cosyntropin given IV
T30m: Repeat
Adrenal Insufficiency ... Algorithm - Cosyntropin ... Stimulation Test ... Insufficiency #Testing ... #Algorithm #Cosyntropin
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Algorithm INDICATIONS ... dexamethasone suppression test ... Hormone • MRI of adrenal ... Syndrome #diagnosis #algorithm ... endocrinology #Adrenal