CAD/MI/PE Flashcards
What is atherosclerosis?
Hardening of arteries w/ plaque build up
What is the primary component of atherosclerosis? And the other components?
Cholesterol; calcium and fat
What is the desired cholesterol level?
Less than 200mg/dl
What is the desired HDL?
Greater than 35mg/dl
What is the desired LDL if pt is a high risk cardiovascular pt? And moderate risk?
Less than 70m/dl; less than 100mg/dl
What is High Density Lipoprotein (HDL)?
Good cholesterol; goes back to liver for removal from body
What is Low Density Lipoprotein (LDL)?
Bad cholesterol; remains in blood stream
What is the desired triglyceride levels?
Less than 150mg/dl
What are triglycerides?
Fat found in serum/body
Age, gender, race, menopause/pre-menopause are what?
Nonmodifiable risk factors
Smoking, diet, uncontrolled diabetes/HTN, overweight/obesity?
Modifiable risk factors
What are the s/s of CAD in the geriatric population?
SOB, fatigue, syncope, confusion
What are the triad of symptoms that appear in women w/ CAD?
Abd pain, fatigue, SOB
Chest pain is more often what in women? And in men?
Angina; MI
Men manifest CAD earlier than women and have a higher incidence of what? but CAD causes more what in women?
Left ventricular hypertrophy; death
Pts who have diabetes may not always present w/ chest pain known as a silent MI; what are the atypical s/s they present w/?
Confusion, N/V, fatigue dyspnea
What is the goal of treatment?
Slow or decrease progression of CAD
Nursing action should be directed to what?
Prevention and reduction of risk factors: smoking, diet, weight, med info, adhering to health maintenance/med regimen
What are “life’s simple 7?”
Don't smoke Maintain a healthy weight Engage in regular physical activity Eat a healthy diet Manage BP Take charge of cholesterol Keep blood sugar @ healthy level
What is the TLC diet?
Therapeutic
Lifestyle
Changing diet
What are the recommended percentages of saturated fat, fat, and cholesterol intake per day?
Less than 10%, 30%, and 300mg/dl
What decreases LDL and where can you find it?
Monounsaturated fats; canola, vegetable, peanut oil
Where is cholesterol mainly found?
Animal products
What is angina?
Imbalance b/t myocardial supply and demand causing chest pain
Atherosclerosis, artery spasm, increased in O2 demand, clogged artery, not enough blood to heart are all causes of what?
Angina
How to describe the more normal angina?
Chest pressure that comes on w/ exertion (ex. exercise) and goes away w/ rest or meds (Vasodilator or nitroglycerin)
What is stable angina (angina pectoris)?
Chronic angina that’s precipitated by a predictable amount of activity/stress and goes away w/ med management/rest
What is unstable angina?
Angina w/ ischemia (cell death) or acute coronary syndrome; chest pain last longer (15min+), have frequent attacks and can’t be relieved w/ nitroglycerins/rest
When considering angina how long does it take for cell necrosis to occur?
30min
What is an MI?
Heart muscles start to die bc blood perfusion is cut off by cell death (heart attack)
Thrombosis, rupture of plaque, occlusion of vessels, vasospasm and trauma are all causes of what?
MI
When considering the stages of infarction how long does it take for ischemia to occur?
20min
When considering the stages of infarction how long does it take for injury and necrosis to occur?
1-6hrs
When considering the stages of infarction how long does it take for granulation tissues form to occur?
8-10days
When considering the stages of infarction how long does it take for scar tissue to continue to form causing for a risk of myocardial rupture to occur?
2wks
When considering the stages of infarction how long does it take for the heart to recover as much as possible to occur?
6-12wks
What is heart remodeling?
When heart decreases in function
What are the 3 factors considered for the size of the infarct?
Extent of occluded blood supply
Amount of collateral circulation
Oxygen demands o the myocardium
What is this: Collateral vessels connecting smaller arteries in coronary system dilate to maintain blood flow to cardiac muscle, causing new arteries to form?
Collateral circulation in MI