Tagged Questions
2
votes
1answer
30 views
Why is the blood pressure in the superior vena cava during inhalation less than during the exhalation?
For further investigation into the progress of the blood pressure, we will measure a patient's blood pressure in the superior vena cava measured during inhalation and during an exhalation. His heart ...
16
votes
3answers
203 views
How is the blood volume of a living organism measured without killing it?
How is the blood-volume of an organism measured without killing it? NOTE: The blood-volume of an organism is defined as the total volume of blood present inside that organism.
8
votes
3answers
178 views
Why is blood pressure higher the more distal an artery is?
Why is blood pressure generally higher in more distal arteries?
3
votes
1answer
93 views
Are ectopic beats considered sinus rhythm for pNN50 purposes?
One quantification of the heart rate variability of an ECG is pNNx, i.e. the proportion of consecutive NN distances that differ by at least 50 ms. When a premature beat occurs, the preceding and ...
4
votes
1answer
96 views
Is a raised baseline between T and QRS normal in any ECG lead?
Here are excerpts from an unknown ECG lead. I find it weird that the "baseline" changes after the T wave and doesn't return until after the following QRS complex. Is that normal/expected for any lead?
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