The document defines medical suffixes related to paralysis or stroke. It explains that -plegia means paralysis and comes from the Greek word for blow or stroke. It then defines cardioplegia as paralysis of the heart during cardiac surgery, hemiplegia as paralysis of one side of the body, and paresthesia as an abnormal sensation like tingling or numbness without long-term physical effects, more commonly known as pins and needles.

1. PLEGIASuffix meaning paralysis or a stroke. As in cardioplegia (paralysis of the heart), hemiplegia (paralysis of one side of the body), paraplegia (paralysis of the legs), and quadriplegia (paralysis of all four extremities). From the Greek pledge meaning a blow or stroke.

2. CARDIOPLEGIAParalysis of the heart, as may be done electively in stopping the heart during cardiac surgery. Cardioplegia may be done using chemicals, cold or electrical stimulation.

3. HEMIPLEGIAParalysis of one side of the body. From hemi-(half) + pledge (a blow, stroke).

4. ESTHESIACONDITION OF FEELING, PRECEPTION, OR SENSATION

5. PARESTHESIAAbnormal sensation such as burning or tingling or numbness of a person's skin with no apparent long-term physical effect. It is more generally known as the feeling of "pins and needles" or of a limb "falling asleep". The manifestation of paresthesia may be transient or chronic.