Top videos

Stress ulcer
Stress ulcer samer kareem 4,493 Views • 3 years ago

A stress ulcer is a single or multiple mucosal defect which can become complicated by upper gastrointestinal bleeding during the physiologic stress of serious illness.

How To Diagnose A Hernia
How To Diagnose A Hernia DrPhil 97 Views • 3 years ago

Guest surgeon Dr. Nicole Callan gives us an introduction to hernias. She discusses what a hernia is, the different types of hernias, and an introduction to treatment.

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Medical emergency
Do NOT use the Video for medical emergencies. If you have a medical emergency, call a physician or qualified healthcare provider, or CALL 911 immediately. Under no circumstances should you attempt self-treatment based on anything you have seen or read on the Video.

General information is not medical advice
The general information provided on the Video is for informational purposes only and is not professional medical advice, diagnosis, treatment, or care, nor is it intended to be a substitute therefore. Always seek the advice of your physician or other qualified health provider properly licensed to practise medicine or general healthcare in your jurisdiction concerning any questions you may have regarding any information obtained from this Video and any medical condition you believe may be relevant to you or to someone else. Never disregard professional medical advice or delay in seeking it because of something you have read on this Video. Always consult with your physician or other qualified healthcare provider before embarking on a new treatment, diet, or fitness program. Information obtained on the Video is not exhaustive and does not cover all diseases, ailments, physical conditions, or their treatment.

Tonsil Stone Removal Procedure
Tonsil Stone Removal Procedure Scott 20,781 Views • 3 years ago

A tonsillolith lodged in the tonsillar crypt. Specialty. Otorhinolaryngology. Tonsilloliths, also known as tonsil stones, are clusters of calcified material that form in the tonsillar crypts, the crevices of the tonsils. While they occur most commonly in the palatine tonsils, they may also occur in the lingual tonsils.

Nephron
Nephron samer kareem 25,583 Views • 3 years ago

A nephron (from Greek νεφρός (nephros) meaning "kidney") is the basic structural and functional unit of the kidney. Its chief function is to regulate the concentration of water and soluble substances like sodium salts by filtering the blood, reabsorbing what is needed and excreting the rest as urine.

Breast Exam
Breast Exam Scott 158,005 Views • 3 years ago

Professional breast exam

McMurray Test | Knee Meniscus Injury
McMurray Test | Knee Meniscus Injury Scott 127 Views • 3 years ago

This video shows how to perform the McMurray test, one of the most commonly used clinical assessment tools to assess for meniscal injuries in the knee.

This video clip is part of the FIFA Diploma in Football Medicine and the FIFA Medical Network. To enrol or to find our more click on the following link http://www.fifamedicalnetwork.com

The Diploma is a free online course designed to help clinicians learn how to diagnose and manage common football-related injuries and illnesses. There are a total of 42 modules created by football medicine experts. Visit a single page, complete individual modules or finish the entire course.

The network provides the opportunity for clinicians around the world to meet and share ideas relating to football medicine. Ask about an interesting case, debate current practice and discuss treatment strategies. Create a profile and log on to interact with other health professionals from around the globe.

This is not medical advice. The content is intended as educational content for health care professionals and students. If you are a patient, seek care of a health care professional.

Partial Seizure in 13 year old boy
Partial Seizure in 13 year old boy samer kareem 10,519 Views • 3 years ago

Focal seizures (also called partial seizures [citation needed] and localized seizures) are seizures which affect initially only one hemisphere of the brain. [citation needed] The brain is divided into two hemispheres, each consisting of four lobes – the frontal, temporal, parietal and occipital lobes.

Fistulotomy Surgery Video
Fistulotomy Surgery Video Surgeon 82,990 Views • 3 years ago

A Fistulotomy is the surgical opening or removal of a fistulous tract. They can be performed by excision of the tract and surrounding tissue, simple division of the tract, or gradual division and assisted drainage of the tract by means of a seton; a cord passed through the tract in a loop which is slowly tightened over a period of days or weeks.

Fistulas can occur in various areas of the human body, and the location of the fistula influences the necessity of the procedure. Some, such as ano-vaginal and perianal fistulas are chronic conditions, and will never heal without surgical intervention.

General Neurological Exam Power Reflex Sensory Cranial erves
General Neurological Exam Power Reflex Sensory Cranial erves Scott 11,663 Views • 3 years ago

General Neurological Exam Power Reflex Sensory Cranial erves

Videoscopic Assisted Retroperitoneal Debridement for infected necrotizing pancreatitis
Videoscopic Assisted Retroperitoneal Debridement for infected necrotizing pancreatitis Mohamed 32,516 Views • 3 years ago

This is the CT of a 43 year old male patiënt with infected necrotizing pancreatitis that will undergo a VARD procedure; Videoscopic Assisted Retroperitoneal Debridment. Two weeks before this procedure two large bore percutaneous drains were placed in the peripancreatic collection. The patient i...s placed in supine position with the left side 30 degrees elevated. A 5-7 cm subcostal incision is made in the left flank. With help of CT images and by following the percutaneous drain, the subcutaneous tissue and the fascia are dissected and we enter the retroperitoneal peripancreatic collection. First, with a regular suction device any pus encountered is removed. Two long sympathectomy hooks are inserted in order to keep in the incision open. We than insert the zero degree laparoscope. The first necrosis encountered is removed under direct sight with the use of long grasping forceps. Following the percutaneous drain deeper into the cavity, parts of loosely adherent necrotic material are removed. Gently pulling we remove the necrotic tissue. The suction device is helpful in removing any fluid obstructing the view. Complete necrosectomy is not the ultimate aim of this procedure. Only loosely adherent pieces of necrosis are removed thereby keeping the risk of tearing underlying blood vessels to a minimum. In the rare case of extensive bleeding, the retroperitoneal cavity can be easily packed, either awaiting the bleeding to definitely stop or to act as a bridge to angiographic coiling. This patient is now 6 weeks after onset of disease. We always try to postpone surgical intervention, if possible up to 30 days. On the left side of the collection is the percutaneous drain. In this patient the drain had worked well for 2 weeks. When the patient deteriorated again it was decided to perform the VARD procedure. Large pieces of necrotic pancreas can be removed with VARD. This is a big advantage ov VARD over pure endosopic or percutaneous techniques. When all the necrotic tissue is removed we clean the cavity. Two drains are left in situ as a postoperative lavage system. The VARD procedure is performed via a 6 cm incision, which is closed and continuous postoperative lavage started immediately.

Anal Intercourse Medical Risks
Anal Intercourse Medical Risks hooda 98,743 Views • 3 years ago

Watch that video to know about the Anal Intercourse Medical Risks

Doctors give soldier New Ear after growing it in her arm
Doctors give soldier New Ear after growing it in her arm Mohamed Ibrahim 1,257 Views • 3 years ago

Shamika Burrage survived a near-fatal car accident two years ago, but not without losing something pretty important: her left ear. Now, thanks to a novel procedure performed at an Army medical center in Texas, Burrage is getting that ear back in a most unusual way. Plastic surgeons harvested cartilage from Burrage's ribs to create a new ear and then grew it under the skin of her forearm. Then the doctors at William Beaumont Army Medical Center in El Paso successfully transplanted the ear from her arm to her head. The technique -- a first time in the Army -- is called prelaminated forearm free flap, said Lt. Col. Owen Johnson III, chief of plastic and reconstructive surgery at William Beaumont Army Medical Center. Some of the big advantages of it is that it reduced the chance of more scarring around Burrage's ear. Also, growing the ear under the skin of her forearm allows new blood vessels to form. "(The ear) will have fresh arteries, fresh veins and even a fresh nerve so she'll be able to feel it," Johnson said on the US Army's website. Burrage, a 21-year-old private, still has to endure two more surgeries, but she's feeling more optimistic about the future than ever in the years since her accident. "It's been a long process for everything, but I'm back," said Burrage.

Idiopathic Thrombocytopenic Purpura
Idiopathic Thrombocytopenic Purpura samer kareem 5,605 Views • 3 years ago

Idiopathic thrombocytopenic purpura (ITP) is a disorder that can lead to easy or excessive bruising and bleeding. The bleeding results from unusually low levels of platelets — the cells that help blood clot. Idiopathic thrombocytopenic purpura, which is also called immune thrombocytopenia, affects children and adults. Children often develop ITP after a viral infection and usually recover fully without treatment. In adults, the disorder is often long term. If you don't have signs of bleeding and your platelet count isn't too low, you may not need any treatment. In rare cases, the number of platelets may be so low that dangerous internal bleeding occurs. Treatment options are available.

Destroy Acid Reflux
Destroy Acid Reflux samer kareem 1,464 Views • 3 years ago

Many over-the-counter medications can help relieve heartburn. The options include: Antacids, which help neutralize stomach acid. Antacids may provide quick relief. But they can't heal an esophagus damaged by stomach acid. H-2-receptor antagonists (H2RAs), which can reduce stomach acid. H2RAs don't act as quickly as antacids, but may provide longer relief. Proton pump inhibitors, such as lansoprazole (Prevacid 24HR) and omeprazole (Prilosec OTC), which also can reduce stomach acid.

Hysterectomy - uterine vessels secured with staples
Hysterectomy - uterine vessels secured with staples Mohamed 19,291 Views • 3 years ago

Total laparoscopic hysterectomy using staples to secure major blood vessels. Vaginal colpotomy and mobilization of bladder performed initally with suture line at junction of vagina and cervix visualized laparoscopically.

Laparoscopic Lysis of Abdominal Adhesions (2011)
Laparoscopic Lysis of Abdominal Adhesions (2011) Surgeon 178 Views • 3 years ago

UPDATE 1/30/15: Watch the updated version of this animation: https://www.youtube.com/watch?v=LVP6JngpgEE

This 3D medical animation shows how adhesions in the abdomen may cause complications. These problems may include obstruction, twisting, and dislocating areas of the small intestine. Adhesions can be separated with laparoscopic instruments.

ANH00037

McMurray's Test
McMurray's Test samer kareem 13,113 Views • 3 years ago

McMurray's maneuver is used to detect the presence of meniscal tears. To detect a medial meniscal injury, the patient is put in a supine position with the knee in maximum flexion. One hand of the examiner is placed on the posteromedial margin of the involved knee and the other hand supports the foot. The tibia is then externally rotated, and the knee is extended slowly. The test is positive if there is an audible or palpable click or popping sensation during extension of the involved knee.

Polyarteritis Nodosa
Polyarteritis Nodosa samer kareem 2,036 Views • 3 years ago

Polyarteritis nodosa Email this page to a friend Email this page to a friend Facebook Twitter Google+ Polyarteritis nodosa is a serious blood vessel disease. The small and medium-sized arteries become swollen and damaged. Causes Arteries are the blood vessels that carry oxygen-rich blood to organs and tissues. The cause of polyarteritis nodosa is unknown. The condition occurs when certain immune cells attack the affected arteries. More adults than children get this disease. The tissues that are fed by the affected arteries do not get the oxygen and nourishment they need. Damage occurs as a result. People with active hepatitis B or hepatitis C may develop this disease.

Breast Augmentation Procedure
Breast Augmentation Procedure samer kareem 2,686 Views • 3 years ago

mammoplasty, is a surgical enhancement procedure to accentuate the size and shape of a woman’s breasts. While breast augmentation will make the breasts larger, the surgery will not move the breasts closer together or lift sagging breasts. Breast augmentation is tremendous help to patients who desire a fuller profile, who have lost breast volume due to pregnancy or nursing, or who have undergone breast reconstruction and want to gain a more natural look again.

From axons to tracts
From axons to tracts Mohamed 21,086 Views • 3 years ago

The complex circuitry interconnecting different areas in the brain, known collectively as white matter, is composed of millions of axons organized into fascicles and bundles. Upon macroscopic examination of sections of the brain, it is difficult to discern the orientation of the fibers. The same is true for conventional imaging modalities. However, recent advancements in magnetic resonance imaging (MRI) make such task possible in a live subject. By sensitizing an otherwise typical MRI sequence to the diffusion of water molecules it is possible to measure their diffusion coefficient in a given direction1. Normally, the axonal membrane and myelin sheaths pose barriers to the movement of water molecules and, thus, they diffuse preferentially along the axon2. Therefore, the direction of white matter bundles can be elucidated by determining the principal diffusivity of water. The three-dimensional representation of the diffusion coefficient can be given by a tensor and its mathematical decomposition provides the direction of the tracts3; this MRI technique is known as diffusion tensor imaging (DTI). By connecting the information acquired with DTI, three-dimensional depictions of white matter fascicles are obtained4. The virtual dissection of white matter bundles is rapidly becoming a valuable tool in clinical research.

Our journey begins with a transverse section of tightly packed axons as seen through light microscopy. Although represented as a two-dimensional "slice", we see that these axons in fact resemble tubes. A simulation of water molecules diffusing randomly inside the axons demonstrates how the membranes and myelin hinder their movement across them and shows the preferred diffusion direction --along the axons. The tracts depicted through DTI slowly blend in and we ride along with them. As we zoom out even more, we realize that it is a portion of the corpus callosum connecting the two sides of the brain we were traveling on and the great difference in relative scale of the individual axons becomes evident. The surface of the brain is then shown, as well as the rest of the white matter bundles--a big, apparently chaotic tangle of wires. Finally, the skin covers the brain.

With the exception of the simulated water molecules, all the data presented in the animation is obtained through microscopy and MRI. Computer algorithms for the extraction of the cerebral structures and a custom-built graphics engine make our journey through the brain's anatomy possible in a living person.

Micrograph courtesy of Dr. Christian Beaulieu, University of Alberta.
Music by Mario Mattioli.

References:
1. Stejskal, E.O., et al., J. Chem. Phys., 1965. 42:
2. Beaulieu, C., NMR Biomed., 2002. 15:435-55.
3. Basser, P.J., et al., J. Magn. Reson. B, 1994. 103:247-54.
4. Mori, S., et al., NMR Biomed., 2002. 15:468-80.

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