| A | B |
|---|
| myopia | defect in distant vision; nearsightedness |
| OD | abbreviation for right eye |
| OS | abbreviation for left eye |
| OU | abbreviation for both eyes |
| orthopnea | severe dyspnea; requires breathing sitting or standing |
| pyrexia | fever |
| rales | bubbling or noisy respirations caused by fluid or mucous in the air passages |
| rhythm | regularity of the pulse, space between the beats (regular or irregular) |
| systole | pressure within the walls of arteries when the left ventricle is contracting |
| tachycardia | pulse rate above 100 beats per minute (except in children) |
| tachypnea | rapid, shallow respiration, over 25 per minute |
| volume | strength of the pulse (strong, weak, thread, bounding) |
| wheezing | difficult breathing with a high-pitched whistling |
| penlight | flashlight used to observe size and reaction of the patient’s pupils |
| sphygmomanometer | instrument used to measure arterial blood pressure |
| stethoscope | used to hear and amplify sounds produced by the heart and other organs |
