36 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
spp Although HACEK ... classically listed under BCNIE ... febrilepodcast] #BCNIE ... #Microbiology #CNIE ... #BCNIE #cardiology
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Endocarditis (BCNIE ... Etiologies - "True" BCNIE ... Legionella spp Although HACEK ... BCNIE Diagnostic ... @ID_fellows #BCNIE
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Diagnosis Algorithm High ... Trauma/Surgery) High ... Pill/Patch/Ring High ... Prolactin + High ... Diagnosis #Algorithm #Endocrinology
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
Algorithm - Low and High ... Hypomagnesemia - High ... Pancreatitis) - High ... Creatinine - High ... Algorithm #Phosphate #endocrinology
Benign Adrenal Mass - Differential Diagnosis Algorithm
Hyperplasia - Often Bilateral
 • Congenital Adrenal Hyperplasia
 • ACTH
Hirsutism • High ... Releasing Adenoma (High ... Releasing Adenoma (High ... Diagnosis #Algorithm #Endocrinology
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
• Low TSH, high ... Uptake & Scan • High ... or normal TSH, high ... algorithm #diagnosis #endocrinology
Hypocalcemia - Differential Diagnosis Algorithm - Low and High PTH
LOW PTH - Hypoparathyroid
 - Congenital (Pediatric)
Algorithm - Low and High ... Hypomagnesemia HIGH ... Algorithm #PTH #endocrinology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Elevated PTH (High ... Algorithm #causes #endocrinology
Laboratory Evaluation of Patients for Thyroid Disease 
Hyperthyroidism:
 • Graves disease - TSH low; free T4
TSH low; free T4 high ... and T3 normal or high ... and T3 normal or high ... free T4 and T3 high ... differential #diagnosis #endocrinology
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Hyperthyroidism (low TSH, High ... Algorithm #Workup #Endocrinology