Biomes. The two main types of biome are terrestrial (land-based) and aquatic (water-based). The easiest to discuss are the terrestrial biomes since they have a more definite boundary. The different climates of the Earth are governed by their average annual precipitation and temperature.
An electrocardiogram (ECG or EKG) test. An electrocardiogram (ECG or EKG) is a routine test that is used to look at the electrical activity of the heartbeat. An electrocardiogram can tell your doctor a lot about your heart and how it is working.
Abnormal EKG Readings. An electrocardiogram or 'EKG' is a device used to monitor an individual's heart rate ad is used in order to screen to for potential heart problems. For instance if you have a family history of heart disease, then an EKG might be recommended as part of an annual exam in order to make sure that you are showing no warning signs.