30 results
Prader-Willi Syndrome: Pathogenesis and clinical findings
 • Maternal uniparental disomy: inheriting 2 copies of maternal chromosome
Prader-Willi Syndrome ... =>Prader-Willi Syndrome ... Signs/Symptoms ... delayed puberty -> Infertility ... #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 ... Symptoms: Commonly no signs ... Hyperparathyroidism #diagnosis #endocrinology ... Secondary #Tertiary #pathophysiology
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup - Differential ... Hypoparathyroidism: Autoimmune, Genetic ... deficiency • Drugs: Calcium ... metastases, Hungry bone syndrome ... Algorithm #nephrology #calcium
21-Hydroxylase Deficiency (21-OHD): Pathogenesis and Clinical Findings
Autosomal recessive mutation in CYP21A2 coding for the enzyme 21-OHase
Signs/Symptoms/Complications ... Hirsutism & acne • Infertility ... #21HydroxylaseDeficiency #21OHD #pathophysiology ... #genetics #endocrinology
Causes of Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
histoplasmosis) • Milk (calcium ... )-alkali syndrome ... Hypercalcemia #Causes #differential ... #diagnosis #calcium ... #high #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 ... WBC >100k, + lab signs ... : • Pathophysiology
Hypocalcemia - Diagnosis and Management
PTH Independent (↑ PTH)
 • LOW VIT D
    -
Formation: Hungy Bone Syndrome ... - Calcium Sequestration ... - DiGeorge Syndrome ... Diagnosis #Management #endocrinology ... #differential #
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 ... Hypercalcemia #Causes #Differential ... #Diagnosis #Endocrinology
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
Hypocalcemia - Differential ... Phenytoin, Nephrotic Syndrome ... Activating Mutation in Calcium ... #Hypocalcemia #Differential ... Algorithm #Phosphate #endocrinology