Usually, your doctor will be able to tell you the results of your ECG the same day it's performed. If your electrocardiogram is normal, you may not need any other tests. If the results show there's a problem with your heart, you may need a repeat ECG or other diagnostic tests, such as an echocardiogram.Treatment depends on what's causing your signs and symptoms.f your electrocardiogram is normal, you may not need any other tests. If the results show there's a problem with your heart, you may need a repeat ECG or other diagnostic tests, such as an echocardiogram. Treatment depends on what's causing your signs and symptoms.
Top definition. hotbox. A hotbox is an air-tight room or vehicle that contains one or more pot-smokers smoking one or more joints. The exhaled smoke and the smoke coming from the joint, unable to escape, circulates and thus is breathed in and is not wasted.
or hot line (hÅtâ²lÄ«nâ²) n. 1. A direct and immediate telephone linkup, especially between heads of government, as for use in a crisis. 2. A telephone line that gives quick and direct access to a source of information or help: a 24-hour hotline.