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6. Put earpieces of stethoscope in ears. 6. Earpieces should fit into ears snugly to make hearing easier. 7. Place diaphragm of stethoscope over brachial artery at elbow. 8. Close valve on bulb. If blood pressure is known, inflate cuff to 20 mm/hg above the usual reading. If blood pressure is unknown, inflate cuff to 160 mm/hg. 8. ................
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