1246 results
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
Hyperparathyroidism - Primary ... vs Secondary vs ... Comparison: • Primary ... Hyperparathyroidism #diagnosis #endocrinology ... #PTH #Primary #
Primary vs Secondary Adrenal Insufficiency - Pathophysiology
Primary AI = adrenal glands themselves are the problem. This
Primary vs Secondary ... Pathophysiology Primary ... Secondary AI = the ... #Secondary #Adrenal ... Pathophysiology #endocrinology
Adrenal Insufficiency - Differential Diagnosis Workup Algorithm
Primary Adrenal Insufficiency:
 • Autoimmune primary adrenal insufficiency
 • Adrenoleukodystrophy,
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
diagnostic of primary ... OR secondary AI ... suggests EITHER primary ... or secondary AI ... Stimulation #Test #Endocrinology
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
Diagnosis Algorithm Primary ... of nucleotides Primary ... • Starvation Secondary ... High purine diet Secondary ... Diagnosis #Algorithm #endocrinology
Primary Hyperthyroidism - Pathogenesis and Clinical Findings

Note: Although rare, gestational diseases can lead to thyrotoxicosis due
Primary Hyperthyroidism ... Secondary hyperthyroidism ... Pretibial myxedema #Primary ... Hyperthyroidism #endocrinology
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
baseline ACTH - Primary ... baseline ACTH - Secondary ... Diagnosis #Algorithm #endocrinology
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
ACTH-Dependent (Secondary):
 • Pituitary Dysfunction
 • Hypothalamic Dysfunction
ACTH-Independent (Primary):
ACTH-Dependent (Secondary ... ACTH-Independent (Primary ... Algorithm #Causes #endocrinology
Hypogonadism Differential Diagnosis Algorithm
 • Low testosterone, Normal or low LH, Normal or low FSH -
Normal or low FSH - Secondary ... Elevated FSH - Primary ... #Testosterone #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