LESSON XVII. SYSTOLIC BLOOD PRESSURE 



IN MAN. PULSE TRACING. 



1. Armlet sphygmomanometer. The subject whose 

 blood pressure is to be measured sits at the table on 

 which is the apparatus (Fig. 26) and rests his forearm 

 on the table at the level of the heart. The observer 

 straps the sphygmomanometer bag (B), which should 

 be about 6 inches long (as in Martin's armlet), over the 

 biceps of the subject and connects the tube of the bag 



Fig. 26. 



