27 results
Prader-Willi Syndrome: Pathogenesis and clinical findings
 • Maternal uniparental disomy: inheriting 2 copies of maternal chromosome
Prader-Willi Syndrome ... =>Prader-Willi Syndrome ... delayed puberty -> Infertility ... #PraderWilli #Syndrome ... #genetics #pathophysiology
Diabetes Insipidus vs Syndrome of Inappropriate ADH (SIADH) - Comparison Table

Diabetes Insipidus - Inadequate ADH
SIADH -
Diabetes Insipidus vs Syndrome ... Comparison #Table #Pathophysiology ... Signs #Symptoms #Diagnosis ... #Endocrinology
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
Hyperparathyroidism: ↑→PTH, ↑Calcium ... Hyperparathyroidism: ↑PTH, ↓→Calcium ... Hyperparathyroidism #diagnosis ... #endocrinology ... Secondary #Tertiary #pathophysiology
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
- Differential Diagnosis ... Hypoparathyroidism: Autoimmune, Genetic ... deficiency • Drugs: Calcium ... metastases, Hungry bone syndrome ... #Differential #Diagnosis
Tetralogy of Fallot Summary
 • Anatomy
 • Incidence
 • Pathophysiology
 • Presentation
 • Common Variants
 •
• Incidence • Pathophysiology ... • Associated Genetic ... Syndromes • “Pink ... Tetralogy #Fallot #diagnosis
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
histoplasmosis) • Milk (calcium ... )-alkali syndrome ... #differential #diagnosis ... #calcium #high ... #endocrinology
Hypocalcemia - Diagnosis and Management
PTH Independent (↑ PTH)
 • LOW VIT D
    -
Hypocalcemia - Diagnosis ... - Calcium Sequestration ... - DiGeorge Syndrome ... #Hypocalcemia #Diagnosis ... #Management #endocrinology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
vs Tumor Lysis Syndrome ... Leukostasis: • Pathophysiology ... hyperviscosity syndrome ... : • Pathophysiology ... #TLS #diagnosis
21-Hydroxylase Deficiency (21-OHD): Pathogenesis and Clinical Findings
Autosomal recessive mutation in CYP21A2 coding for the enzyme 21-OHase
Hirsutism & acne • Infertility ... #21HydroxylaseDeficiency #21OHD #pathophysiology ... #genetics #endocrinology
Causes of Hypercalcemia
Parathyroid hormone–dependent
Primary hyperparathyroidism
Familial hypocalciuric hypercalcemia
Lithium-associated
Tertiary hyperparathyroidism
Genetic disorders (e.g., multiple endocrine neoplasia type 1 or
hyperparathyroidism Genetic ... Other humoral syndromes ... disease - Williams syndrome ... #Differential #Diagnosis ... #Endocrinology