Signs and symptoms

A bruise: a flat purple or blue patch where blood has leaked from small vessels into the skin.

An eyelid, usually the lower one, that sags and turns outward, away from the eye.

Swelling caused by extra fluid trapped in the body's tissues.

Injury from electric current passing through the body, from a small burn to internal damage, cardiac arrest and death.

A confused, agitated state some patients wake in as anesthesia wears off, most often children.

Vomiting, or the material that is vomited.

Blood still flowing into an aneurysm sac after a stent graft has been placed to shut it off.

A serious infection or inflammation inside the eye, a dangerous complication of eye surgery or injury.

A liver that is larger than normal; the medical word is hepatomegaly.

An eye that sits sunken back in its socket.

An eyelid margin, usually the lower one, that turns inward, so the lashes rub against the eye.

An overflow of tears down the cheek, from too many tears or a blocked tear drain.

Bleeding from the nose; a nosebleed.

Redness of the skin caused by more blood flowing in the small vessels near the surface.

Normal, quiet, easy breathing at rest.

A time when a long-term disease suddenly gets worse, or its symptoms flare up.

A raw, scraped area of skin where the top layer has been scratched or rubbed away.

Loss of so much blood that life cannot continue; in surgery, also the squeezing of blood out of a limb before a tourniquet is inflated.

Fluid, cells or other material that has leaked out of blood vessels into a wound or tissue.