778 results
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
vs Secondary vs ... Comparison: • Primary ... Hyperparathyroidism #diagnosis ... #endocrinology ... #PTH #Primary #Secondary
Adrenal Insufficiency - Differential Diagnosis Workup Algorithm
Primary Adrenal Insufficiency:
 • Autoimmune primary adrenal insufficiency
 • Adrenoleukodystrophy,
- Differential Diagnosis ... Workup Algorithm Primary ... • Autoimmune primary ... or tuberculosis Secondary ... Workup #Algorithm #endocrinology
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Insufficiency Diagnosis ... 3 is virtually diagnostic ... of primary OR secondary ... or secondary AI ... Stimulation #Test #Endocrinology
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
- Differential Diagnosis ... Algorithm Primary ... of nucleotides Primary ... • Starvation Secondary ... #Algorithm #endocrinology
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Insufficiency Differential Diagnosis ... baseline ACTH - Primary ... baseline ACTH - Secondary ... #Differential #Diagnosis ... #Algorithm #endocrinology
Hypogonadism Differential Diagnosis Algorithm
 • Low testosterone, Normal or low LH, Normal or low FSH -
Hypogonadism Differential Diagnosis ... Normal or low FSH - Secondary ... Elevated FSH - Primary ... #Differential #Diagnosis ... #Testosterone #endocrinology
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
ACTH-Dependent (Secondary):
 • Pituitary Dysfunction
 • Hypothalamic Dysfunction
ACTH-Independent (Primary):
- Differential Diagnosis ... ACTH-Dependent (Secondary ... ACTH-Independent (Primary ... #Differential #Diagnosis ... Algorithm #Causes #endocrinology
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Differentiate primary ... vs secondary AI ... consistent with secondary ... consistent with primary ... #Stimulation #Endocrinology
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
Management Summary Primary ... Causes of Secondary ... Insufficiency #Primary ... #Secondary #Diagnosis ... #Management #Endocrinology
Approach to Thyroid Function Tests in the Evaluation of Hyperthyroidism
 • Low TSH, Low normal T4
high T4 +/- T3 → Primary ... T3 → Central (secondary ... Hyperthyroidism #algorithm #diagnosis ... #endocrinology