Your doctor has suggested you have a Nuclear Cardiac Stress Test. A Cardiac Stress Test is a test to show how your heart functions when your heart rate is increased. You will exercise or be given a certain medicine to increase your heart rate. A Nuclear Cardiac Stress test is a specialized test. A very small amount of a radioactive tracer is given in an IV.
Open space is any open piece of land that is undeveloped (has no buildings or other built structures) and is accessible to the public. Open space can include: Green space (land that is partly or completely covered with grass, trees, shrubs, or other vegetation). Green space includes parks, community gardens, and cemeteries. Schoolyards; Playgrounds
The critical military importance of space has been obscured by the fact that in the period since the United States has had space assets, all of our wars have been fought against minor powers that we could have defeated without them.