Signs and symptoms

Swollen, twisted veins of the pampiniform plexus in the spermatic cord, above the testis.

A sudden tightening of the muscle in a blood vessel wall that narrows the vessel and cuts the blood flow.

Failure of the soft palate to close off the nose from the mouth during speech, so air escapes through the nose.

A fast heart rhythm that starts in the lower chambers of the heart (the ventricles), usually over 100 beats per minute.

A false feeling that you or the room around you is spinning or moving.

A small sac: on the skin, a raised blister of clear fluid less than 1 cm across; in a cell, a tiny sac of membrane that carries materials.

Seeing something that is not really there.

Any sound a person makes with the voice, such as words, moans, cries or humming.

Forcefully bringing up the contents of the stomach through the mouth.