[Zee38484]

> As patients underwent CPR, a tablet computer displayed one of ten visual images

> During 5 minutes of the CPR, patients also were repeatedly exposed through the headphone audio to the names of 3 fruits

I think this type of experiment could be harmful to patients.

Human brain consumes oxygen at varied rate. It consumes more oxygen under stress. Natural body reaction is to pass out, to preserve limited oxygen reserves in blood and tissue. Interfering or preventing person from loosing consciousness, will deplete oxygen supply faster, and may cause permanent brain damage sooner.

I have no evidence for this claim, just experience from yoga and diving.

[clnq]

It’s not enough to make a tangible difference. CPR isn’t close to ideal blood flow, and resuscitation generally fails. Movies paint a picture that it almost always succeeds, but it is closer to the opposite. Then, it’s possible to argue that whether the patient hears resuscitation being done to them or fruit names doesn’t matter much.

In the end, the depth of chest compressions in CPR in millimeters probably has a bigger effect on tissue death. But it’s very difficult to know what’s the ideal depth of a chest compression for each person in such a granular way, and it’s difficult for humans to do them so precisely. So it’s all rather imprecise.

The likelihood of a patient living goes from near 0% to perhaps 20% or 30% when they are resuscitated. But even that depends on very many things. No one can account for things like 1% or 0.1% tissue death in the process. The process is far too brute and imprecise.

This is my medschool exp although I didn’t go on to become a doctor or resuscitate anyone beyond simulations.