To your heart, if the bubble is large enough it means cardiac arrest
Cardiac enzymes
Resynchronization Therapy.
it does
You have described a cardiac stress test.
Ppd test is a terbuculosis test. They put a needle under your skin and a bubble is there. Within 24 hours if the bubble doesn't disappear, You have T.b. =(
This is a type of cardiac stress test for detecting cardiovascular disease.
Cardiac catheterization or an Angiography
No! If you bubble in more than 1 answer on the same question on the scantron you will get marked wrong answer on that question.
A cardiac stress test is a test which is used to measure the heart's ability to handle stress. It is usually done by having the patient walk on a treadmill. The doctor will gradually increase the speed and incline and measure the heart's response.
Cardiac Biomarker
It should bubble.