Disease vs symptom. Coronary artery disease is cholesterol build up in the coronary arteries. CHF is a symptom complex of shortness of breath. Unable to lay flat. Waking up short of breath and decrease exercize tolerence. It usually occurs when blood backs up in the lungs as a result of the heart not working efficiently. CHF is not a diagnosis as there are many causes and a source should be found.
CAD/CHF. Coronary artery disease is narrowing of the arteries to heart. Congestive heart failure is weak pumping action of the heart. Weak pump can be due to coronary artery disease. There are other causes of weak pump causing congestive heart failure.