. Principles of electro-medicine, electrosurgery and radiology : a practical treatise for students and practitioners. With chapters on mechanical vibration and blood pressure technique . he band (sleeve) containing a flat rubberbag over the bare left arm, over the brachial artery (above the elbow);wrap it around the arm as if it^ was a bandage, and tuck the last fewinches under the preceding fold. Connect the rubber tubes leading fromthe band, one with the instrument, and the other with the bulb or pump,and examine either by auscultation or by palpation. 140 Anthony Matijaca Method of Ausculta
. Principles of electro-medicine, electrosurgery and radiology : a practical treatise for students and practitioners. With chapters on mechanical vibration and blood pressure technique . he band (sleeve) containing a flat rubberbag over the bare left arm, over the brachial artery (above the elbow);wrap it around the arm as if it^ was a bandage, and tuck the last fewinches under the preceding fold. Connect the rubber tubes leading fromthe band, one with the instrument, and the other with the bulb or pump,and examine either by auscultation or by palpation. 140 Anthony Matijaca Method of Auscultation Place the stethoscope over the brachial artery just below the line of theband (Figs. 82 and 83). On gradually inflating the band, the first andsecond sounds of the heart will be plainly heard, and as the pressure isincreased, a point is reached where all sounds cease. Gradually releasethe air pressure until a loud, clear thump becomes audible. At the in-stant the sound is heard, the point upon the instrument marks thesystolic pressure. Having obtained the systolic pressure, continue to listen over the ar-tery and release gradually the air a few millimeters at a time, and you. Fig. 83—The Auscultation Method withDiaphragm Sphygmomanometer. will hear the thumping sound replaced by a murmur, which in turn isfollowed by a second thumping sound, becoming louder, then fainter,which finally disappears. At the instant the second thumping sound isthe loudest, the point on the instrument marks the diastolic pressure. Method of Palpation With one hand, locate the patients pulse at the radial artery (Fig. 84),and with the other, inflate the band until the pulse is obliterated. Grad-ually release the air pressure until you feel the first pulse beat the instant the pulse reappears, the point on the instrument marksthe systolic pressure. Having obtained the systolic pressure, in order to obtain the diastolic,gradually release the air a few millimeters at a time. As the pressu
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