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.
Ambulatory ECG Monitoring (Holter Monitoring). Electrocardiography (ECG) is a test performed to record the electrical activity of the heart. A holter monitor records the ECG over a 24 hour period.The monitor will record every heart whilst you are wearing it. During this period any abnormal beats/rhythms will be detected. holter monitor records the ECG over a 24 hour period. The monitor will record every heart whilst you are wearing it. During this period any abnormal beats/rhythms will be detected.