Upper GI Bleeding (Liver and Spleen) Bambury
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---------- Forwarded message ---------- From: UCD Graduate '09 None <ucdgrad09@gmail.com> Date: 2009/3/2 Subject: Upper GI Bleeding (Liver and Spleen) Bambury To: ucdgrad09@gmail.com
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The document discusses the functions of the liver, including its structure and role in metabolic, storage, excretory, protective, circulatory, and coagulation functions. It notes that the liver is the largest internal organ, located on the right side of the abdominal cavity. It has a double blood supply and is divided into four lobes. The liver plays a vital role in metabolizing nutrients, storing vitamins and minerals, filtering toxins from the blood, and producing bile and blood proteins. Common diseases that can damage the liver include hepatitis, cirrhosis, cancer, and genetic disorders.
Structure and functions of liver
The liver is the largest gland in the human body, located in the upper right abdominal cavity beneath the diaphragm. It has four lobes and is made up of lobules that contain hepatocytes arranged in plates with blood sinusoids between them. The liver receives blood from the hepatic portal vein and hepatic artery, and filters toxins and produces bile, which is stored in the gallbladder and released into the small intestine after meals to aid in fat digestion. The liver performs many essential metabolic functions including carbohydrate, protein, and fat metabolism, hormone inactivation, and production of bile and proteins.
Excretion: Chapter Content
The liver plays a key role in metabolism and homeostasis. It receives a dual blood supply and filters waste from the blood to produce urea, which is excreted. Excess alcohol is broken down but can overload the liver, causing fatty deposits. The kidneys filter blood to produce urine via nephrons and selective reabsorption maintains electrolyte balance. Kidney failure requires dialysis or transplant. Pregnancy and drug tests analyze samples for target hormones or compounds.
The liver as an organ
The liver performs many vital functions: (1) It filters blood from the digestive system and removes toxins. (2) It regulates carbohydrate and fat metabolism, storing glucose and producing cholesterol. (3) It synthesizes proteins and aids in protein metabolism, forming urea to remove ammonia from the body. The liver's high blood flow and unique lobule structure enable these diverse metabolic roles.
Lect. 14 digestive system - associated glands
This document provides information about the accessory organs of the digestive system, including the salivary glands, liver, and pancreas. It describes the structure and function of the parotid, submandibular, and sublingual salivary glands. It also discusses the role of the liver in vascular functions, metabolism, secretion, and excretion. Additionally, it outlines the structure of liver lobules and hepatocytes. The document concludes by examining the exocrine and endocrine functions of the pancreas.
Enterohepatic circulation and Hepatic Portal circulation
This document discusses enterohepatic circulation and hepatic portal circulation. Enterohepatic circulation refers to the recycling of bile acids, bilirubin, drugs, and other substances from the liver to the bile and back to the liver via the small intestine. The hepatic portal vein collects blood from the gastrointestinal tract and transports it to the liver before entering systemic circulation. When portal vein pressure is elevated in conditions like liver cirrhosis, portosystemic anastomoses allow blood to bypass the liver and enter systemic veins.
Lver metabolism.pptx
The liver performs numerous vital metabolic functions:
- It regulates blood glucose levels through glycogenesis, glycogenolysis, and gluconeogenesis.
- It breaks down amino acids from proteins and converts excess amounts into glucose, fatty acids, and urea.
- It synthesizes, modifies, and excretes lipids like cholesterol, triglycerides, and phospholipids.
The liver receives a dual blood supply and is composed of lobules containing hepatocytes and sinusoids that facilitate exchange of materials. It plays a key role in carbohydrate, protein, and lipid metabolism, as well as other processes like detoxification.
Similar to Upper GI Bleeding (Liver and Spleen) Bambury (20)
The Liver & Gallbladder (Anatomy & Physiology).pptx
The Liver & Gallbladder (Anatomy & Physiology).pptx
INTERGRATED RESPONSE TO A MEAL V. INTESTINAL PHASE (ii)
INTERGRATED RESPONSE TO A MEAL V. INTESTINAL PHASE (ii)
Enterohepatic circulation and Hepatic Portal circulation
Enterohepatic circulation and Hepatic Portal circulation
More from Jeku Jacob
Bzd 2012[1]
The document discusses benzodiazepines, including their uses, effects, risks of dependence and withdrawal, assessment and treatment of withdrawal, and overdose management. Benzodiazepines are widely used to treat anxiety, insomnia, and other conditions but can cause dependence, and withdrawal symptoms may include rebound anxiety, insomnia, tremors, and potentially seizures. Detoxification and tapering regimens aim to safely reduce the dose over time to minimize withdrawal symptoms.
Opioid withdrawal update3[1]
Opioids are a class of drugs that have morphine-like effects on the central nervous system. They are commonly used analgesics but prolonged use can lead to tolerance and dependence. Opioid withdrawal can be managed in the hospital setting using buprenorphine or methadone to relieve symptoms, along with supportive medications for nausea, muscle aches, diarrhea and sleeplessness. It is important for hospital staff to continue patients' opioid maintenance treatment and provide adequate pain relief while avoiding precipitated withdrawal.
Etoh[1]
This document provides information on alcohol, its effects on the body, alcohol dependence and withdrawal, and treatment approaches. It discusses how alcohol acts in the brain to produce both pleasurable and reinforcing effects. It outlines recommended daily and weekly drinking limits, signs and symptoms of alcohol intoxication at different blood alcohol levels. It also summarizes common presentations to the emergency department related to alcohol, approaches to assessing and managing alcohol withdrawal, risks of Wernicke's encephalopathy from thiamine deficiency, and options for ongoing treatment and support.
Fwd: Bambury Tutorial on Head and Neck
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From: UCD PAEDS <ucdpaeds@gmail.com>
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Subject: Fwd: Bambury Tutorial on Head and Neck
To: ucdgrad09@gmail.com
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From: Henning L. Stokmo <helangen@gmail.com>
Date: Wed, Feb 11, 2009 at 7:07 PM
Subject: Bambury Tutorial on Head and Neck
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Fwd: lecture
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Join the all-new Windows Live Messenger family Click here!<http://get.live.com/>
Fwd: Post op complications
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Fwd: Skin Cancer (Cormac Joyce)
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Fwd: Head injury Bambury
Head injuries most commonly occur in individuals aged 15-24 from vehicular accidents or falls in those over 75. The brain is surrounded by meninges including the dura, arachnoid and pia mater. Increased intracranial pressure can decrease cerebral perfusion and cause neurological deterioration, so monitoring and medical or surgical interventions aim to reduce pressure and maintain blood flow to the brain.
Fwd: Jaundice
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Fwd: Bambury lecture on venous and lymphatic disorders of the limb
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Fwd: Bambury tutorial Upper GI Surgery
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She does not know that we have this so please don't print it and bring it to
the lecture
Fwd: Benign Breast Disease Mr. Evoy
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