31 results
Vitamin D Metabolism

#VitaminD #Metabolism #Pathophysiology #Endocrinology #Pathways
Vitamin D Metabolism ... #VitaminD #Metabolism ... #Pathophysiology ... #Endocrinology
Vitamin D Metabolism Pathways

Dr. Jamie Willows @jamiekwillows

#VitaminD #Metabolism #Pathways #pathophysiology #endocrinology
Vitamin D Metabolism ... jamiekwillows #VitaminD ... #Metabolism #Pathways ... #pathophysiology ... #endocrinology
Vitamin D Metabolism
Fat-soluble vitamin
Sources: dermal synthesis and food (dairy products, fish)
Active form: calcitriol (1,25-OH Vitamin D)
Main
Vitamin D Metabolism ... Fat-soluble vitamin ... mendesthiagob #VitaminD ... #Metabolism #endocrinology ... #pathophysiology
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
PTH, ↑Calcium, ↑Vitamin ... PTH, ↓→Calcium, ↓Vitamin ... Hyperparathyroidism #diagnosis ... #endocrinology ... Secondary #Tertiary #pathophysiology
Causes of Hypercalcemia
Parathyroid gland structure-related
 • Primary hyperparathyroidism
 • Parathyroid adenoma
 • Parathyroid hyperplasia
 • Parathyroid
hypercalcemia Vitamin ... D metabolic disorders ... • Excessive vitamin ... Hypercalcemia #Causes #endocrinology ... #diagnosis #differential
Causes of Polyneuropathy - Differential Diagnosis Algorithm
 • Metabolic: DM, Hypothyroidism, CKD, Cirrhosis, Nutritional deficiency
 •
- Differential Diagnosis ... Algorithm • Metabolic ... Heavy metals, Vitamin ... #Differential #Diagnosis ... Algorithm #causes #neurology
Altered Mental Status - Differential Diagnosis
 • Neurologic: Stroke, Cerebral hypoxia, Cerebral hemorrhage, Seizure, Trauma, TBI,
- Differential Diagnosis ... • Neurologic: ... Encephalitis • Metabolic ... , Hypercarbia, Vitamin ... #Differential #Diagnosis
VITAMINS Mnemonic for Acute / Subacute Peripheral Polyneuropathy

Vascular
Inflammatory: Amyloidosis, vasculitis (often more subacute/chronic)
Toxins: Nitrous oxide, chemo,
VITAMINS Mnemonic ... inhibitors Autoimmune Metabolic ... Neoplastic #VITAMINS ... Subacute #Acute #Neurology ... #Diagnosis #Differential
Woltman’s sign on Physical Exam

53-year-old man presented with fatigue and sensitivity to cold. A physical examination
evaluation confirmed a diagnosis ... deep-tendon reflex, is a neurologic ... Delayed #Clinical #Video ... #Neurology #Endocrinology
Causes of Tremors - Movement Disorders - Differential Diagnosis Algorithm
Action Tremor - Occurs During Voluntary Muscle
- Differential Diagnosis ... spinocerebellar ataxia, Vitamin ... Dystonia • Metabolic ... MovementDisorders #Neurology ... #Differential #Diagnosis