. The clinical study of blood-pressure : a guide to the use of the sphygmomanometer in medical, surgical, and obstetrical practice, with a summary of the experimental and clinical facts relating to the blood-pressure in health and in disease . they have granular kidneys andhigh blood-pressure. Cook and Briggs, and Cushing, both laystress on the danger of hypotensive medication in cerebralhaemorrhage, and believe surgical interference, with evacuationof the clot, the rational treatment. Further discussion wiU befound in the chapter on blood-pressure in nervous diseases. c. Other local Processes
. The clinical study of blood-pressure : a guide to the use of the sphygmomanometer in medical, surgical, and obstetrical practice, with a summary of the experimental and clinical facts relating to the blood-pressure in health and in disease . they have granular kidneys andhigh blood-pressure. Cook and Briggs, and Cushing, both laystress on the danger of hypotensive medication in cerebralhaemorrhage, and believe surgical interference, with evacuationof the clot, the rational treatment. Further discussion wiU befound in the chapter on blood-pressure in nervous diseases. c. Other local Processes—Thrombosis, Aneurism, Compression.—Thrombosis of a subclavian, axillary, or femoral artery is rare, 190 BLOOD-PRESSURE IN INTERNAL DISEASES and, when present, is not difficult of detection by the finger. Thesphygmomanometer may be helpful in incomplete obstruction,or in following the progress of collateral circulation, by meas-uring the difference of pressure in the two extremities. In onepatient with general arterio-sclerosis and cardiac hypertrophy,without nephritis, the left axiUary artery became completelyobstructed, with disappearance of the radial pulse, in following June some pulse could be felt, and the sphyg-. Fio. 46.—Pulsus differens. Case of obstruction of the left axillary artery.(Jaquets sphygmograph. Authors sphygm. 12 cm.) A, Tracing from right radial. Systolic pressure, 205 mm., diastolic, 135 mm. B, Tracing from left radial. Systolic pressure, about 105 mm. momanometer showed: right arm, systolic pressure 190 mm.,diastolic 135 mm.; left arm, systolic 115 mm., diastoMc 105 mm.(Erl. 5 cm.). By January the pulse was distinctly fuller andthe reading was: right arm, systolic 205 mm., diastolic 135 mm.;left arm, systolic 145 mm., diastolic not obtainable (J. 12 cm.)(see Fig. 46, taken on another day). The pulsus differens, occasionally a valuable diagnostic signof thoracic aneurism, may be detected in its slighter grades ina similar way. It is unw
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbloodpr, bookyear1904
