Finger Pulse Oximeter Diagram

However if the probe is of the wrong size or has not being applied properly some of the light instead of going through the artery goes by the side of the artery shunting lower finger in image below.

Finger pulse oximeter diagram. This device is especially important for people who need to monitor these parameters due to certain health conditions such as asthma or congestive heart failure. Finger pulse oximeter using max30100 a pulse oximeter is a device used to monitor both your heart rate and blood oxygen concentration. The pulse oximeter is a small clip like device that attaches to a body part like toes or an earlobe. The fingertip pulse oximeter is designed to be used in specified electromag netic environment.

Pulse oximeter using freescale products. The pulse oximeter is implemented using the freescale medical oriented microcontroller kinetis k53. This mcu embeds a 32 bit arm cortex m4 processor ethernet usb connectivity and an analog measurement engine ideal for medical applications. The pulse oximeter operates best when all the light passes through arterial blood as shown in the upper finger in the image below.

Pulse oximeters are less accurate if there is poor blood flow to the finger. This may occur if the person is cold has very low blood pressure or is having a heart attack. Carbon monoxide due to smoke inhalation carbon monoxide poisoning or heavy cigarette smoking results in falsely high pulse oximeter readings. It s most commonly put on a finger and it s often used in a critical care setting like.