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Cardiology


HCI performs Nuclear Medicine cardiac rest and stress testing, as well as echocardiography studies to examine cardiac function. 

Thallium/Technetium Exercise Stress Test (Nuclear Medicine)

Exam Time: approximately 2.5 - 3 hours
Preparations: Nothing to eat or drink (except water) after midnight on the night before your exam. *Diabetics may have toast and juice for breakfast. Wear comfortable shoes and clothing. Bring a list of current medications.
Description: A stress test with Thallium/Technetium usually consists of taking pictures of your heart in two phases: while resting and after stress.

  • Thallium 201 will be injected while you are at rest and the special camera will take pictures of your heart.
  • Technetium 99 will be injected during the stress portion of the test and pictures will be taken of your heart after your stress test. The stress portion of the exam will be monitored by an onsite cardiologist. If you are unable to exercise, you may be given a drug, by injection, intended to have a similar effect on the heart to that of exercise.

 

Adenosine / Persantine Stress Tests

Exam Time: 2.5-3 hours
Preparations: Nothing to eat or drink (except water) after midnight on the night before your exam. Wear comfortable shoes and clothing. Bring list of medications. No caffeine for 24 hours before exam (These includes decaf coffee and tea, chocolate, soda, and some aspirin products). No persantine or dipyridamol for 24 hours before exam. No theophylline medications for 24 hours before exam. Patients with asthma or sever emphysema should inform the cardiologist and technologist before having this test.
Description: This test is very similar to the Cardiolite/Thallium procedure. Adenosine and Persantine are agents that simulate exercise.
All Stress tests are performed by our onsite Cardiologist

2D Echocardiography

Exam Time: 1 hour
Preparations: No caffeine for 24 hours before the exam. Eat a light meal for breakfast.
Description: An echocardiogram is a test in which ultrasound is used to examine the heart. Two- dimensional (2-D) Echo is capable of displaying a cross-sectional "slice" of the beating heart, including the chambers, valves and the major blood vessels that exit from the left and right ventricle.


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