34 results
Primary and Secondary Causes of Osteoporosis

Primary osteoporosis 
 - idiopathic juvenile osteoporosis 
 -  postmenopausal
Primary and Secondary ... Secondary osteoporosis ... arthritis - osteogenesis ... #Secondary #Causes ... #Differential #
Adrenal Insufficiency - Differential Diagnosis Workup Algorithm
Primary Adrenal Insufficiency:
 • Autoimmune primary adrenal insufficiency
 • Adrenoleukodystrophy,
Adrenal Insufficiency ... - Differential ... or tuberculosis Secondary ... #Differential # ... Workup #Algorithm #endocrinology
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Adrenal Insufficiency ... Differential Diagnosis ... baseline ACTH - Secondary ... #Differential # ... Diagnosis #Algorithm #endocrinology
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
ACTH-Dependent (Secondary):
 • Pituitary Dysfunction
 • Hypothalamic Dysfunction
ACTH-Independent (Primary):
Causes of Adrenal Insufficiency ... - Differential ... ACTH-Dependent (Secondary ... #AI #Differential ... Algorithm #Causes #endocrinology
Primary vs Secondary Adrenal Insufficiency - Pathophysiology
Primary AI = adrenal glands themselves are the problem. This
Primary vs Secondary ... Adrenal Insufficiency ... Secondary AI = the ... #Adrenal #Insufficiency ... Pathophysiology #endocrinology
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
Hyperparathyroidism - Primary vs Secondary ... ↓Phosphate • Secondary ... Fragile bones/osteoporosis ... Hyperparathyroidism #diagnosis #endocrinology ... #PTH #Primary #Secondary
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Fragility Fractures - Differential ... Osteodystrophy - Secondary ... Deficiency Primary Osteoporosis ... Osteoporosis ... Pathologic #MSK #Differential
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Adrenal Insufficiency ... of primary OR secondary ... EITHER primary or secondary ... AI #Adrenal #Insufficiency ... Stimulation #Test #Endocrinology
Causes of Secondary Amenorrhea - Differential Diagnosis
 • Pregnancy
 • Endocrinopathies: PCOS, Hypothyroidism
 • HPA Dysfunction:
Causes of Secondary ... Amenorrhea - Differential ... BrighamChiefs #Secondary ... #Amenorrhea #Differential ... Diagnosis #Causes #endocrinology
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Diagnosis Adrenal Insufficiency ... Step 3) Differentiate ... primary vs secondary ... consistent with secondary ... #Stimulation #Endocrinology