Digestive System – Page 2 – Armando Hasudungan

Understanding Vitamin B12 metabolism

Armando Faigl January 18, 2022 No Comments

Learn how vitamin B12 is absorbed, transported, and utilized in the body, highlighting its essential roles in red blood cell formation and nervous system function. This video explains the key…

Bilirubin Metabolism – unconjugated and conjugated bilirubin

Armando Faigl January 7, 2022 No Comments

Learn how bilirubin is formed and processed in the body, distinguishing between unconjugated and conjugated forms. This video explains the steps of bilirubin metabolism, its transport, hepatic conjugation, and clinical…

Approach to Jaundice – types and causes of hyperbilirubinemia, investigations

Armando Faigl January 7, 2022 No Comments

Understand the clinical approach to jaundice by exploring the types and causes of hyperbilirubinemia, including prehepatic, hepatic, and posthepatic origins. This video explains key diagnostic investigations and how to differentiate…

Fat (lipid) digestion and absorption physiology

Armando Faigl December 28, 2021 No Comments

Explore the physiology of fat digestion and absorption, from emulsification by bile salts to breakdown by pancreatic enzymes. This video explains how lipids are processed, absorbed in the small intestine,…

Approach to Fat malabsorption – signs and symptoms and causes

Armando Faigl December 28, 2021 No Comments

Understand the clinical approach to fat malabsorption by recognizing its key signs and symptoms, such as steatorrhea and weight loss. This video also explores common causes, including pancreatic insufficiency, bile…

Approach to bleeding disorders – causes, pathophysiology and investigations

Armando Faigl October 30, 2021 No Comments

Bleeding disorder can be either due to a problem in primary hemostasis or secondary hemostasis. Primary hemostasis related bleeding disorder are due to problems with platelets – either reduced production,…

Approach to Upper Gastrointestinal Bleeding – causes, symptoms (melena) and treatment

Armando Faigl October 3, 2021 No Comments

Patients with acute upper gastrointestinal (GI) bleeding commonly present with hematemesis (vomiting of blood or coffee-ground-like material) and/or melena (black, tarry stools). Common causes of UGI bleeding include peptic or…

Hemochromatosis – iron physiology and pathophysiology

Armando Faigl June 6, 2021 No Comments

Learn how hemochromatosis (iron overload) develops, how to diagnose it, and effective treatments like phlebotomy and iron chelation. This clear, concise video explains iron metabolism, the role of hepcidin and…

Achalasia (esophageal) – signs and symptoms, pathophysiology, investigations and treatment

Armando Faigl June 7, 2020 No Comments

Achalasia is a rare disorder that results from progressive destruction of ganglion cells in the myenteric plexus of the oesophageal wall. The destruction of these cells leads to the inability…

Mycophenolic Acid – Mycophenolate (organ transplant and DMARD) – mechanism of action, side effects

Armando Faigl May 21, 2020 No Comments

Mycophenalate is used in lupus nephritis (first line), diffuse SS but also indicated for the prophylaxis of organ rejection in patients undergoing allogeneic renal, hepatic, or cardiac transplants. In transplant…

System: Digestive System