If the OP uses IR illumination a freq of 9.4micros is at a peak from the human body. A problem could be caused by so much back reflection from the glass window that the shop inside could be swamped by IR. I would suggest a simple web camera using some basic motion detection software in a PC.
Many people donât know the difference between cardiac arrest and a heart attack or fainting spell. A person in cardiac arrest doesnât breathe, doesnât have a pulse, and canât respond to you. Someone having a heart attack usually is conscious and breathing, has a pulse, and can answer your questions. Respond. Hereâs what you should do if you witness someone go into cardiac arrest: Call 911 right away, or have someone else do it.
Sudden Cardiac Arrest Facts*. 1  Sudden cardiac arrest is a situation that occurs when the heart suddenly stops beating effectively and blood is not circulated by the heart; about 95% of individuals that have sudden cardiac arrest die from this condition.