Not to be confused with other types of electrography or with echocardiography. Electrocardiography (ECG or EKG) is the process of recording the electrical activity of the heart over a period of time using electrodes placed on the skin.
Addiction is defined as a chronic, relapsing brain disease that is characterized by compulsive drug seeking and use, despite harmful consequences. It is considered a brain disease because drugs change the brain; they change its structure and how it works.
A chronic disease is persistent. It lasts for a long period of time and might recur. Like an acute disease, a chronic disease can be mild, severe or fatal. Examples of chronic diseases include cancer, heart disease, kidney disease and diabetes.Unlike an acute disease, a chronic disease is likely to develop over time instead of having a sudden onset.0 hilariously insightful foreign words. Many individuals confuse the difference between an acute disease and a chronic disease. An acute disease lasts for just a short time but can begin rapidly and have intense symptoms.