Archives of internal medicine . t below the ribs in theright side in front. The pressure was from 20 to 25 mm. aq. rising in inspirationand falling in expiration. The trocar was withdrawn and the opening closed byclamp. The trocar inserted in left side, half-way between ribs and pelvis, regis-tered from 10 to 15 mm. aq.; again withdrawn and reinserted in mid-line an inchand a half above pubic arch, it registered from 10 to 12 mm. aq. This fall, as willbe explained later, was due partly to the failure to close the first two holes per-fectly, but more to the gradually failing muscular tone durin
Archives of internal medicine . t below the ribs in theright side in front. The pressure was from 20 to 25 mm. aq. rising in inspirationand falling in expiration. The trocar was withdrawn and the opening closed byclamp. The trocar inserted in left side, half-way between ribs and pelvis, regis-tered from 10 to 15 mm. aq.; again withdrawn and reinserted in mid-line an inchand a half above pubic arch, it registered from 10 to 12 mm. aq. This fall, as willbe explained later, was due partly to the failure to close the first two holes per-fectly, but more to the gradually failing muscular tone during anesthesia. Thetrachea was clamped. Asphyctic convulsions resulted, forcing the pressure againup to 22 mm. aq., which, as the stage of exhaustion ensued, fell gradually to 8mm. and remained there, as I found after opening the abdomen, because ofobstruction to the trocar by omentum. If this obstruction had not occurred therewould probably have been a fall to zero pressure, such as occurred in later tests. HA VEN EMEKSO N 767 A. B
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