Stroke

Stroke - secondary to cardiogenic embolism

This animation shows a piece of clot breaking away from the heart, travelling to the brain, resulting in a stroke.

• Stroke

Trintellix: Uses, How it Works & Common Side Effects

Trintellix is an antidepressant medicine used to treat major depressive disorder in adults, to help improve symptoms. It is a prescription medicine that is thought to work by balancing neurotransmitters which are chemical messengers in the brain.

• Trintellix

Photodynamic therapy of the esophagus

Photodynamic therapy video shows light treatment for Barrett's esophagus and esophageal cancer.

Removing excess bone near rotator cuff

Removing excess bone can relieve rotator cuff injury.

Allergy tests

What happens in an allergy test? Watch this video and find out.