Chapter 11: Heart Failure Flashcards
What is the leading cause of heart failure?
Ischemic disease
When the heart can only pump _____% of blood in L ventrical to tissues, you have heart failure.
40% (normal = 60%
What is heart failure?
Inability of the body to deliver sufficient blood to body tissues. Causes blood backing up in the lungs and veins.
What is the top cause of hospitalization in the elderly?
Heart failure
What percentage of heart failure patients die within 5 years?
50%
What types of drugs are used to treat heart failure?
1) drugs to increase ventricular contractions (e.g., digitalis)
2) Drugs to lower salt and water retention (diuretics, ACE inhibitors)
What causes acute pulmonary edema?
Heart failure causes temporary reduction in blood output of L ventricle, causing blood to back up into the lungs and body tissues get poor delivery.
What are the three top causes of heart failure?
1) Coronary heart disease
2) Valvular disease
3) Hypertension
True or false: Acute heart failure is very common.
False; uncommon
True or false: Chronic heart failure is very common and hard to treat.
True
What is the primary cause of aneurysms?
Arteriosclerosis that weakens the vessel wall
What size does an aneurysm have to reach before it needs to be repaired?
5 cm (then danger of rupture)