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💡 Vitamin A Deficiency & Hypervitaminosis EXPLAINED: Pathogenesis, Clinical Features & Management (USMLE High-Yield Beginner’s Guide)
Are you curious about how both a deficiency and an excess of Vitamin A can impact the body? In this video, we dive deep into the pathogenesis behind Vitamin A deficiency and hypervitaminosis, discuss their clinical features, and explore management strategies. Perfect for medical students, USMLE prep, and healthcare professionals who want a high-yield review of these important metabolic disorders! 📚

What You’ll Learn in This Video:
✔️ Pathogenesis:
How Vitamin A deficiency disrupts vision, immunity, and epithelial integrity
Mechanisms leading to hypervitaminosis A and its toxic effects on the liver and central nervous system
✔️ Clinical Features:
Signs and symptoms of Vitamin A deficiency (e.g., night blindness, xerophthalmia)
Manifestations of hypervitaminosis A (e.g., headache, hepatotoxicity, bone pain)
✔️ Management & Treatment:
Nutritional interventions and supplementation for deficiency
Strategies to manage and prevent toxicity in hypervitaminosis A

⏰ Timestamps for Easy Navigation:
0:00 – Introduction & Overview
2:12 – The pathway of vit A in the organism
4:09 – The role of vit A in the body
5:08 – Pathogenesis of vit A deficiency
8:21 – Clinical Features of vit A Hypervitaminosis

💬 Question for You: Have you encountered clinical cases of Vitamin A deficiency or toxicity? What was the most surprising symptom? Share your thoughts in the comments below! 😊

👍 Help Us Grow:

Like this video if you found it helpful.
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Share this video with classmates or colleagues who need a refresher on Vitamin A disorders.
⚠️ Disclaimer: This video is for educational purposes only and does not replace professional medical advice. Always consult a healthcare provider for personalized recommendations.


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