| OCP | octacalcium phosphate; ocular cicatricial pemphigoid; oral case presentation; oral contraceptive pil... |
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| OET | oral endotracheal tube; oral esophageal tube |
| OHI | Occupational Health Institute; operative hypertension indicator; oral hygiene index; Oral Hygiene In... |
| ASD | Atrial Septal Defect Types of ASD 1. Ostium Primum ASD ... |
| CS | calf serum; campomelic syndrome; carcinoid syndrome; cardiogenic shock; caries-susceptible; carotid ... |
| back pain | A continuous pain located in the back, usually below the cervical level. For lower back pain or pain in the lumbar region, low back pain is available. (12 Dec 1998) |
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| back pain, low | Symptoms in the low back can relate to the bony lumbar spine, discs between the vertebrae, ligaments around the spine and discs, spinal cord and nerves, muscles of the low back, internal organs of the pelvis and abdomen, and the skin covering the lumbar area. The low back, or lumbar area, functions in structural support, movement, and protection of certain body tissue. (12 Dec 1998) |
| bearing-down pain | A uterine contraction accompanied by straining and tenesmus; usually appearing in the second stage of labour. (05 Mar 2000) |
| bladder pain | Among the symptoms of bladder infection are feelings of pain, pressure and tenderness around the bladder, pelvis, and perineum (the area between the anus and vagina or anus and scrotum), which may increase as the bladder fills and decrease as it empties; decreased bladder capacity; an urgent need to urinate; painful sexual intercourse; and, in men, discomfort or pain in the penis and scrotum. (12 Dec 1998) |
| breakthrough pain | <oncology, symptom> Intermittent exacerbations of pain that can occur spontaneously or in relation to specific activity. (16 Dec 1997) |
| pain | <symptom> An unpleasant sensory and emotional experience associated with actual or potential tissue damage or described in terms of such damage. (16 Dec 1997) |
| pain, ankle | The ankle is a hinged joint. The severity of ankle sprains ranges from mild (which can resolve within 24 hours) to severe (which can require surgical repair). Tendinitis of the ankle can be caused by trauma or inflammatory arthritis. (12 Dec 1998) |
| pain, back | Symptoms in the low back can relate to the bony lumbar spine, discs between the vertebrae, ligaments around the spine and discs, spinal cord and nerves, muscles of the low back, internal organs of the pelvis and abdomen, and the skin covering the lumbar area. (12 Dec 1998) |
| pain, chest | Chest pain has many cause. One celebrated cause is angina which results from inadequate oxygen supply to the heart muscle due to coronary artery disease or spasm of the coronary arteries. Treatment of angina includes rest, medication, angioplasty, and/or coronary artery bypass surgery. (12 Dec 1998) |
| pain clinics | Facilities providing diagnostic, therapeutic, and palliative services for patients with severe chronic pain. These may be free-standing clinics or hospital-based and serve ambulatory or inpatient populations. The approach is usually multidisciplinary. These clinics are often referred to as "acute pain services". (12 Dec 1998) |
| pain, elbow | Tendinitis can affect the inner or outer elbow. Treatment includes ice, rest, and medication for inflammation. Bacteria can infect the skin of a scraped (abraded) elbow and cause pain. (12 Dec 1998) |
| pain insensitivity, congenital | Absence of sensibility to pain or inability to feel pain. The condition is present at birth. (12 Dec 1998) |
| pain, intractable | Pain which is difficult to control. (12 Dec 1998) |
| pain, knee | Causes of knee pain include injury, degeneration, arthritis, infrequently infection and rarely bone tumours. (12 Dec 1998) |
| pain measurement | Scales, questionnaires, tests, and other methods used to assess pain severity and duration in patients or experimental animals to aid in diagnosis, therapy, and physiological studies. (12 Dec 1998) |