BLOOD PRESSURE IN HYPERTENSION
To the Editor:— I have just read in the February 9 issue of the Journal the paper of Gubner, Silverstone and Ungerleider about the range of blood pressure in hypertension and found them a useful aid in the evaluation of hypertensive and prehypertensive states.
Abstract
To the Editor:— I have just read in the February 9 issue ofThe Journalthe paper of Gubner, Silverstone and Ungerleider about the range of blood pressure in hypertension. Since I read the first communications about pressure and depressor tests I have proved their ability in my private practice and found them a useful aid in the evaluation of hypertensive and prehypertensive states. But I encountered some difficulty: Most of my patients did not cooperate satisfactorily in performing the pressor test; they did not stop breathing long enough to record the highest systolic pressure and repeating the test for reading the diastolic level was much more difficult. The authors of the paper also experienced this difficulty of maintaining apnea and therefore advised the brief inhalation of aromatic spirit of ammonia. I should like to draw attention to a simple but useful modification I used in the technic of the