Can a pulse oximeter detect heart attack?

Can a pulse oximeter detect heart attack?

The purpose of pulse oximetry is to check how well your heart is pumping oxygen through your body. It may be used to monitor the health of individuals with any type of condition that can affect blood oxygen levels, especially while they're in the hospital. These conditions include: … heart attack or heart failure.

What is a dangerous pulse oxygen level?

The lower the oxygen level, the more severe the hypoxemia. This can lead to complications in body tissue and organs. Normally, a PaO2 reading below 80 mm Hg or a pulse ox (SpO2) below 95 percent is considered low.

Are cheap pulse oximeters accurate?

The oxygen level from a pulse oximeter is reasonably accurate. Most oximeters give a reading 2% over or 2% under what your saturation would be if obtained by an arterial blood gas. … The oximeter reading may be less accurate if a person is wearing nail polish, artificial nails, has cold hands, or has poor circulation.

Are finger pulse monitors accurate?

Pulse oximeters are being widely used for non-invasive, simultaneous assessment of haemoglobin oxygen saturation. They are reliable, accurate, relatively inexpensive and portable. … These results indicate that the use of pulse oximeters as heart rate monitors during strenuous exercise is questionable.