22 results
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Primary Adrenal ... vomiting • Fatigue Signs ... Reduced libido • Signs ... addisons #disease #endocrinology ... #diagnosis #signs
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
Phosphate Physical Symptoms ... : Commonly no signs ... pain Psychiatric Symptoms ... Hyperparathyroidism #diagnosis #endocrinology ... Secondary #Tertiary #pathophysiology
Primary Hyperthyroidism - Pathogenesis and Clinical Findings

Note: Although rare, gestational diseases can lead to thyrotoxicosis due
Primary Hyperthyroidism ... Signs/Symptoms: ... Pretibial myxedema #Primary ... Hyperthyroidism #endocrinology ... #pathophysiology
Congenital Adrenal Hyperplasia - 21-Hydroxylase Deficiency - Signs and Symptoms
 • Brain: Androgenization effects, Glucocorticoid effects,
Hydroxylase Deficiency - Signs ... and Symptoms • ... pressure • Glucose Metabolism ... #Symptoms #diagnosis ... #endocrinology
Hypothyroid Myopathy
Very common (up to 80% ) in patients with hypothyroidism
Pathophysiology:
 • T4 deficiency leads to
hypothyroidism Pathophysiology ... mitochondrial oxidative metabolism ... Hypothyroid #Myopathy #pathophysiology ... #signs #symptoms ... #endocrinology
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
activates lipolysis Signs ... /Symptoms: • GH ... thickness) - metabolic ... #FeedbackLoop #endocrinology ... #pathophysiology
21-Hydroxylase Deficiency (21-OHD): Pathogenesis and Clinical Findings
Autosomal recessive mutation in CYP21A2 coding for the enzyme 21-OHase
21-OHD in the adrenal ... Signs/Symptoms/Complications ... #21HydroxylaseDeficiency #21OHD #pathophysiology ... #genetics #endocrinology ... #peds #pediatrics
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
skin thickening Signs ... and Symptoms: ... Hepatic: PBC (primary ... #symptoms #testing ... #workup
Upper Urinary Tract infection (UUTI): Pathogenesis and Clinical Findings

Predisposing Factors:
 - Immunocompromised, Diabetes,
 - Elderly, Female
Upper Urinary Tract ... - Indwelling urinary ... them to adhere to renal ... UrinaryTractInfection #UUTI #Pathophysiology ... #Signs #Symptoms
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... hypokalemia and metabolic ... bruit or signs ... Vasculitis • Endocrinologic ... Hypothyroidism, Primary