introduction: nowadays, more than 10,000 different types of medical devices can be found in hospitals. this way, medical electrical equipment is being employed in a wide variety of fields in medical sciences with different physiological effects and measurements. hospitals and medical centers must ensure that their critical medical devices are safe, accurate, reliable and operational at the requ...

and could be read with profit by anyone interested in the problem of hydramnios. The Morphologic Manifestations of Uptake of Materials by the Yolk Sac of the Pregnant Rabbit describes how colloidal gold, erythrocytes, cream, and protein, in the form of egg white, are absorbed by the yolk sac. There are several electron microphotographs which are used to illustrate some of the processes. The Dev...

This paper reports the first of several tests of new auditory alarms originally proposed by Block et al. [1] and formalized in IEC 60601-1-8 for use in medical electrical equipment. We test whether participants who are supplied with the IEC-recommended mnemonics while learning label-alarm associations can more accurately identify the alarms after short periods of learning. Results for 18 partic...