What is a Chemical Stress Test for a Heart?
Even though exercise tension tests are not very harmful , these trial are sometimes not the optimum measures that can be acquit out to essay the condition of the patient role ’s substance . Patients with arthritis and previous warmheartedness conditions can not always endure to execute the employment stress examination . For such patients , the doctors often advocate chemic stress test or a chemical atomic stress trial . With the help of medications , the trice rate is slowly increase and the arteria are dilated . Therefore the body reception will be like to what it would have been during an exercise stress test .
In the chemic stress test , while the patient is in resting condition , a radionuclide is injected in his or her arm or hand . Soon the radionuclide starts to travel and mobilize through the bloodstream . During the process of circulation , the da Gamma television camera capture several moving picture of the center of the patient who is lie motionless during the chemical stress examination are become on . This is called as balance scan ( similar to recording readings of the heart take a breather status during an practice stress trial ) . Slowly the heartbeat rate increases . The doctor monitors and administers the medication ’s performance in speeding up the heart charge per unit or dilating the artery .
In the chemical stress test , the affected role is again injected with a radionuclide when the pulsation pace gain at its peak . The like process of capturing pictures of the affectionateness with the gamma camera run on . This part of the subprogram is referred as focus scan ( similar to the reading that are achieved when a patient role undergoes the increasing difficulty spirit level of the exercise emphasis test ) . Like an physical exercise emphasis test , here also any kind of block or partially blocked artery will appear as insensate spot . To advance a complete picture , the results can be lay over with a CT CAT scan or a MRI .
How to Prepare for a Chemical Stress Test?
To prepare for a chemical focus test :
