You are treating a 55 year old male patient who has a history of three past MIs and angina. Due to his difficulty breathing and normally sedentary lifestyle, you suspect he may be experiencing congestive heart failure. CHF is a(n):
A. clotting of the coronary artery
B. condition in which excessive fluids build up in the lungs and/or other organs
C. infection in the heart that makes it difficult to oxygenate the blood
D. chronic lung condition that requires a low concentration of oxygen administration
Answer: B