Capsaicin binds to pain receptors on our nerves called TRPV1. Normally, it reacts to heat by sending warning signals to the brain. Capsaicin causes TRPV1 to send those same signals. So, you react as if there's something hot in your mouth

For more information please visit: https://www.yalemedicine.org/c....onditions/acl-injury

Serious injuries, by and large, cause a lot of swelling in the knee. Especially in younger patients. Now, someone could be arthritic and they overdo it going for a big long hike and they get some swelling the next day. But rapid onset of swelling, it's like hard to make out where your kneecap is, is a pretty big cardinal sign that there's something serious that's happened to your knee. Rapid onset swelling is usually due to blood in the joint. "A meniscus that really tears and flips in the front. You tear your quad or your patellar tendon, your kneecap dislocates, you tear a little blood vessel, your ACL tears, a piece of cartilage in bone gets knocked off and causes bleeding. So a lot of the really significant injuries, people get rapid onset swelling within three to four hours and they should seek attention There's always exceptions to rules, but if your knee looks like a grapefruit, you should go get it checked.

Dr. Ankur Gupta of the Virginia Eye Institute discusses LASIK eye surgery as a method of correcting refractive errors. LASIK was first performed in Virginia on an FDA-approved laser by a VEI surgeon in 1996. Today, Virginia Eye Institute offers both conventional LASIK and custom LASIK with the bladeless IntraLase laser to precisely sculpt your cornea to correct refractive errors.

For more information on the services and procedures offered at Virginia Eye Institute please visit: https://goo.gl/6nX4RZ

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Observation of both jugular veins can provide a reliable indication of the volume and pressure in the right side of the heart since internal jugular veins pulsate in response to phasic changes in right atrial pressure. Proper positioning of the patient to increase the effects of gravity enhances distention of the jugular veins and, therefore, increases the ability to observe venous pulsations.

Examination of the Shoulder and Elbow

A video showing arthrocentesis of the knee from Harvard medical school

Pulmonary Artery

Nursing: Role and Function on the Job

26 week uterus using Gyrus PKS Cutting Forcep, PKS Lyons Dissecting Forceps & PKS Needle.

Hysterectomy done laparoscopically is a relative new approach to the classical hysterectomy procedure, the advantages are better anatomic views, less bleeding, less surgical time and less recovery time

mitral valve replacement surgery

Short video of tension free repair of indirect inguinal hernia using a prolene mesh after herniotomy

this video shows the Supine assessment of reflexes

Surgery during a Pancreatectomy. One can see the pancreas half extracted. This is Experimental Surgery, taken during a Pancreas transplantation

thyroid gland removal is the standard procedure for thyroid cancer treatment.
Total removal of the gland is therapeutic in most cases of thyroid cancer.

Cerebellar functions of the upper limbs from the USMLE collection

Child Unresponsive Airway Obstruction

Infant Cardio-pulmonary Resuscitation