A detailed description of the Hepato-pulmonary syndrome including its definition, pathophysiology, diagnosis and treatment. The pathophysiology includes nitric oxide in the pulmonary vasculature which results in intrapulmonary vasodilatation. This causes the classical and unique symptom of platypnea and orthodeoxia.

Neurology Physical Examination Lecture

Lower Limb Physical Examination

How to Use a Female Condom Step by Step

Euthyroid sick syndrome (ESS), sick euthyroid syndrome (SES), thyroid allostasis in critical illness, tumours, uremia and starvation (TACITUS), non-thyroidal illness syndrome (NTIS) or low T3 low T4 syndrome is a state of adaptation or dysregulation of thyrotropic feedback control where the levels of T3 and/or T4 are ...

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Coloscopy | Colon Polyp Resection | Polypectomy



Colonoscopies are essential for detecting colorectal abnormalities, including colon polyps. Polypectomy, the surgical removal of these growths, can prevent them from becoming cancerous. This article offers a brief overview of colonoscopies, colon polyps, and polypectomy procedures.

A colonoscopy is an endoscopic examination allowing healthcare providers to visualize the colon and rectum using a colonoscope. The colonoscope, a flexible tube with a camera and light source, helps detect abnormalities, including polyps or tumors.

Colon polyps are abnormal growths arising from the colon's inner lining. While most polyps are benign, some can become malignant. Adenomatous polyps have a higher potential to become cancerous, whereas hyperplastic and inflammatory polyps pose a lower risk.

Polypectomy involves removing colon polyps during a colonoscopy. Two primary techniques include snare polypectomy, using a wire loop to cut the polyp, and cold forceps polypectomy, which employs forceps to grasp and remove smaller polyps.

Following a polypectomy, patients may experience mild discomfort or bleeding. Regular surveillance is crucial to minimize colorectal cancer risk. The frequency of surveillance colonoscopies depends on the number, size, and type of polyps found, as well as the patient's overall risk factors.

Colonoscopies and polypectomies play vital roles in detecting and removing colon polyps, reducing the risk of colorectal cancer, and maintaining optimal colon health.


Do you want to learn more about colon polyps and colonoscopy? check our:

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What could cause a blockage in the stomach? Mechanical causes of intestinal obstruction may include: Adhesions or scar tissue that forms after surgery. Foreign bodies (objects that are swallowed and block the intestines) Gallstones (rare) Hernias. Impacted stool. Intussusception (telescoping of one segment of bowel into another) Tumors blocking the intestines. Less common radiologic signs are seen in specific circumstances. Most closed-loop obstructions (75%) are caused by adhesions. A closed-loop obstruction occurs when a loop of bowel is not decompressed by the caudal passage of gas and fluid.

Let's ask this 12 year old kid which tool he prefers to successfully intubate a difficult airway in less than 20 seconds..."

NC EMS Show - Dad gives permission for us to film his son, after seeing how easy the Vie Scope is to use. And he nailed it!

Histology of Tooth Eruption

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Most condoms are made of latex rubber, but they can also be made from lamb cecum or polyurethane. In addition to their contraceptive value, condom use has been found effective in preventing the spread of sexually transmitted diseases.

Chronic Myeloid Leukemia Diagnosis and Treatment

Laparoscopic Supracervical Hysterectomy

Popping a Big Zit on the Face

This video is designed for my introductory A&P course to study the endocrine system. This tutorial will take you through the various endocrine organs, hormones produced, and effects at each tissue. Prolactin is one of the 5 hormones we are studying of the anterior pituitary. SHOW MORE

There are several types of hematomas and they are often described based on their location. Examples of hematomas include subdural, spinal, under the finger or toenail bed (subungual), ear, and liver (hepatic).

Lung Vasculature

What is Wallenberg syndrome? Wallenberg syndrome is a rare condition in which an infarction, or stroke, occurs in the lateral medulla. The lateral medulla is a part of the brain stem. Oxygenated blood doesn’t get to this part of the brain when the arteries that lead to it are blocked. A stroke can occur due to this blockage. This condition is also sometimes called lateral medullary infarction. The cause of the syndrome isn’t always clear, however.

Ureteral stents are one of the most common devices used by urologists. They are placed with cystoscopic guidance in an operating room setting. Ureteral stents are used to relieve ureteral obstruction, promote ureteral healing following surgery, and to assist with ureteral identification during pelvic surgery. Ureteral stent placement is associated with some degree of morbidity in the majority of patients that ranges from generalized urinary discomfort to urinary tract infection or obstruction. Much of the morbidity is related to the biocompatibility of the materials used to fashion the stent and, to some extent, their design; unfortunately, the ideal stent has yet to be discovered.

Rectal bleeding can refer to any blood that passes from your anus, although rectal bleeding is usually assumed to refer to bleeding from your lower colon or rectum. Your rectum makes up the last few inches of your large intestine. Rectal bleeding may show up as blood in your stool, on the toilet paper or in the toilet bowl. Blood that results from rectal bleeding can range in color from bright red to dark maroon to a dark, tarry color.