19 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 ... Phosphate Physical Symptoms ... pain Psychiatric Symptoms ... Hyperparathyroidism #diagnosis #endocrinology ... Secondary #Tertiary #pathophysiology
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
Heart Failure - Pathophysiology ... Hyperthyroidism - Increased Metabolism ... #HeartFailure #CHF ... #Pathophysiology ... Differential #Diagnosis #cardiology
Refeeding Syndrome: Pathogenesis and clinical findings

Patients at Risk of Refeeding Syndrome:
 - Little or no nutritional
overload -> - CHF ... • Incr Glucose Metabolism ... Syndrome - Metabolic ... Syndrome #diagnosis #pathophysiology ... #symptoms #signs
Refeeding Syndrome Overview

What Is It?
	• Electrolyte/fluid shifts caused by initiation of nutrition in severely malnourished patient.
from hormonal and metabolic ... Hypo-Mg2+ • Vitamin ... decompensation (CHF ... overload) Other Symptoms ... Differential #Diagnosis #Pathophysiology
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
Atrial Fibrillation Overview

Symptoms:
Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

1. Why?
Cardiac:
• Valvular heart disease
•
Fibrillation Overview Symptoms ... Decompensated HF ... Drugs/toxins • Metabolic ... #Fibrillation #Cardiology
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
lipolysis Signs/Symptoms ... thickness) - metabolic ... #FeedbackLoop #endocrinology ... #pathophysiology