4 votes

What can you observe from MRI noises?

[TLDR: The gradient coils.] That is a great question. There are three parts to an MRI machine: main magnetic field (1.5 Tesla, 3 Tesla etc), gradient coil system and radio-frequency coil. The ...
brechmos's user avatar
  • 141
2 votes

Why not use epinephrine in heart failure?

Aadrenaline will generally quickly worsen heart failure because it massively increases peripheral vascular resistance and thus after-load on the heart. It significantly increases myocardial oxygen ...
Pantomath's user avatar
2 votes

Why doctor wont put stethoscope stationary at one point?

Probably the doctor isn't using the stethoscope to determine your heart beat rate. Mine seem to use it to listen to my lungs as I breathe, and I've seen them used to listen for valve sounds or other ...
Kate Gregory's user avatar
  • 3,909

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