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6 votes

When should one stop CPR?

If the patient is breathing normally, stop CPR. Image Source: Official Guidelines of the European Resuscitation Council, latest edition: 2015. Section 2, p.88 The part that made me personally most ...
Narusan's user avatar
  • 6,930
5 votes

How to lower SpO2?

I tried it out on my pulse oximeter. I placed it on my thumb where it read 97%. I then held my breath and it gradually dropped down over the course of a minute to 93% before I had to give up. I ...
Graham Chiu's user avatar
  • 13.3k
4 votes

How common is tachycardia as a symptom of COVID-19?

Fever is a common symptom of COVID-19. Fever is commonly associated with tachycardia, as they are both part of the sympathetic response to illness. For example: Karjalainen, J., & Viitasalo, M. (...
Bryan Krause's user avatar
  • 14.3k
4 votes

For healthy people, does Pulse Rate increase significantly when getting up & standing from supine position?

Postural changes in heart rate I found an old study examining postural changes in blood pressure in 43 healthy people: Borst et al. American Journal of Physiology, 1982. Mechanisms of initial heart ...
Chris's user avatar
  • 3,414
3 votes

Is it possible to meassure anxiety/stress via data collected from smart watches for a whole region?

Tiwari et al, 2019 found poor sensitivity and specificity for detecting stress using multiple features from a fitness watch: sensitivity 0.53, specificity 0.56, and similarly poor for anxiety: ...
Bryan Krause's user avatar
  • 14.3k
3 votes

Measuring Carotid pulse

TL;DR: You can use any fingers you want except the thumbs. You can see the reason for that in the diagram below. Notice that there are two arteries supplying each finger that run down both sides of ...
Carey Gregory's user avatar
  • 9,934
3 votes

Does ideal range pulse rate and blood pressure always indicate no serious illness

Absolutely, uniquiviquly, NO you can not assume that if you have normal blood pressure and pulse range that you are otherwise healthy. Periodic physical exams are recommend for all persons, even if ...
Atl LED's user avatar
  • 1,973
2 votes

Trouble finding radial pulse in patients

Experience: Working 8 years out of an Air Force ER with primary ambulance response and air transportable hospital duties. What always worked well for me was to use landmarks to find the pulse. Go ...
JohnP's user avatar
  • 6,658

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