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OCTC Licensed Practical Nursing
PNR 140 Test 3 Chap 21-23
87
Nursing
Professional
04/04/2013

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Cards

Term
amt of blood ejected from the left ventricle in 1 min
Definition
cardiac output
Term
force of blood against the walls of BV
Definition
BP
Term
what are the pathways of circulation?
Definition
pulmonary,systemic
Term
What consist of your BV?
Definition
arteries,veins,capillaries
Term
deposit of lipids in the walls of arteries over years,narrowing their lumens?
Definition
atherosclerosis
Term
What happens in aging & the cardiovascualar system?
Definition

aging of BV begins in childhood, & effects appear later in life

-atherosclerosis,heart muscle becomes less efficient,valves can become thickened, leading to heart murmur,decrease in cardiac output & HR

Term
What i the #1 killer of ppl in the US?
Definition
cardiovascular disease,greatest death in women
Term
what are the risk factors of cardiovascular disease?
Definition
smoking,dietart fat intake, lack of exercise
Term

shows the hearts response to ^ O2 needs during exercise

- used to evaluate coronary artery disease, diagnose cardiac arrhythmias, ischemic heart disease, & monitor pts with CHF

Definition
Cardiac Stress Test
Term
What is the pre procedure for a stress test?
Definition
get baseline vitals and ECG, pt not to smoke, eat, or drink for 2-4 hrs before the test, wear comfortable clothing & shoes,
Term
post procedure of a stress test?
Definition
rest & wait to eat, avoid stimulants such as caffeine or temp extremes
Term
what is a stress test considered completed?
Definition
when pt reaches peak HR (pts age subtracted from 220) or pts experiences chest pain, or is unable to continue exercising or develops changes in VS or ECG
Term
(amino acid) elevated levels can indicate risk for cardiovascular disease
Definition
Homocysteine
Term
elevated levels can indicate low grade inflammation in coronary vessels, can predict heart attack risk
Definition
C-reactive Protein
Term
leukocyte enzyme-high levels in ruptured plaques-can predice risk of heart attack up to 6 months in avance with elevated levels for pts with chest pain
Definition
Myeloperoxidase Antigen (MPO)
Term
proteins that are highly sensitive indicators of myocardial damage
Definition
cardiac troponin
Term
damaged or dead heart cells rupture & release enzymes into the bloodstream causing increased serum levels
Definition
cardiac enzymes
Term
triglycerides, cholesterol, phospholipids
Definition
blood lipids
Term
normal range or cholesterol?
Definition

140-200mg/dl

>200 increased CAD risk

Term
normal ranges for triglycerides?
Definition
< 150mg/dl
Term
normal ranges of phospholipids?
Definition
normal 125-380mg/dl
Term
normal ranges for lipoproteins?
Definition
LDL <100 desirable, elevated= risk for CAD
Term
what blood lipid protects against CAD?
Definition
HDL
Term
the higher the HDL, the less likely a person is to develop?
Definition
CAD
Term
what is the average range of HDL in men & women?
Definition

men= 45mg/dl

women= 55mg/dl

Term
what range of HDL in considered low?
Definition
< 35mg/dl
Term

invasive diagnostic procedure that measures pressures in heart chambers, great blood vessels and coronary arteries

-provides info on cardiac output, and O2 saturation

Definition
cardiac cath
Term
pre procedure for heart cath?
Definition
informed consent, assess for allergies to iodine,strawberries,shellfish,and dyes,NPO prior to procedure
Term
post procedure for heart cath?
Definition
pressure dsg or sandbag applied to site for several hrs,VS, assess punture site & peripheral pulses, keep extremity used still for several hrs, pt may eat, encourage fluids,
Term
what are the therapeutic interventions for cardiovascular system?
Definition
exercise(20-30min,3xs weekly), stop smoking, low cholesterol, saturated fats & sodium diet if excess fluid is a problem, encourage 5-6 servings of fruits or veggies daily, ^ fish intake & eating poultry without skin
Term
when is a pt classified as prehypertensive or hyertensive?
Definition
if the systolic pressure is 120-139 mm Hg or the diastolic is 80-89 mm HG
Term
causes of ^ BP?
Definition
decreaseed stretching ability,increased blood viscosity,increased fluid volume,narrowed vessels, sympathetic nervous system overstimulation causing vasoconstriction, alterations in baroreceptors or chemoreceptors
Term
what are types of HTN?
Definition
primary or essential,secondary,isolated systolic
Term
chronic elevation of BP from an unknown cause?
Definition
primary or essential HTN
Term
has a known cause, is a sign of another problem such as kidney abnormality or congenital defect, B/P usually returns to normal when the cause is treated?
Definition
secondary HTN
Term
systolic pressure of 140mm HG or greater & diatolic of 90mm HG or less; mainly occurs in elderly, tx with lifestyle changes & then meds if necessary
Definition
isolated systolic HTN
Term
S/S of HTN?
Definition
h/a, bloody nose, severe anxiety, SOB,target organ disease
Term
nonmodifiable risk factors of HTN?
Definition
family hx,age/elderly,race & ethnicity, DM
Term
modifiable risk factors for HTN?
Definition
wt reduction, meal planning, consume no more than 1oz of alcohol per day for men and no more tha 1/2 oz per day for women, ^ exercise, quit smoking
Term
complications of HTN?
Definition
coronary artery disease, atherosclerosis, MI,HF, Stroke,kidney or eye damage,hypertrophy (^ size of left ventricle), target organ disease ( brain,kidneys,retina)
Term
who is at risk for a hypertensive emergency?
Definition

elvations of systolic greater than 180mm Hg and diastolic greater than 120mm Hg

-untreated pts, those who are noncompliant with therapy, those who stop meds abruptly

Term
what med is given for hypertensive emergency?
Definition
IV Nipride or nitroglycerin
Term
S/S of hypertensive urgency?
Definition
severe HA,nosebleeds,SOB,severe anxiety
Term
all layer of the heart are inflammed?
Definition
rheumatic carditis
Term
S/S of rheumatic fever?
Definition
fever,polyarthritis(inflammation of more than 1 joint),subcutaneous nodules, chorea(involuntary muscle twitching),arthalgia(pain in joint), pnemonitis(inflammation of lungs) rheumatic carditis
Term
s/s of rheumatic carditis?
Definition
tachycardia,heart murmur,pericardial friction rub, chest pain, heart enlargement,HF
Term
what is the nursing management for rheumatic carditis?
Definition
take VS (note fever & tachycardia),relieve pain with analgesics,aspirin to prevent blood clot formation & for joint pain,corticosteroids to relieve inflammatory response, assess for s&s for HF,abx(PCN-drug of choice),prophylactic abx
Term
prevention of rheumatic fever?
Definition
detect with throat culture & treat strep infections promptly with PCN or Erythromycin if allergic to PCN
Term
blood flows in one way b/c of why?
Definition
valves
Term
most common form of valvular heart disease?
Definition
mitrall valve prolapse
Term
1 or both flaps of the mitral valve bulge backward into the L atrium during systole,may be caused by damage to valve due to infections, ischemic heart disease, cardiomyopathy
Definition
mitral valve prolapse
Term
diagnostic test for mitral valve prolapse?
Definition
echocardiogram, cardiac cath, auscultation for click or murmur, ECG
Term
S/S of Mitral Valve Prolapse?
Definition
no symptoms,murmur,severe mitral regurgitation, atypical chest pain (chest pain at rest), dysrhythmias,palpitations,dizziness,syncope,fatigue,dyspnea, or anxiety
Term
therapeutic measures for mitral valve prolapse?
Definition
no tx unless symptoms, diet, exercise, stress management, avoid caffeine/stimulants,Beta blockers,antidysrhythmic agents if needed,surgical repair or replacement of valve,preventative abx therapy before invasive procedures,aspirin or anticoagulants to help prevent clots
Term

narrowing of valve opening

-obstructed blood flow from L atrium into L ventricle

Definition
mitral stenosis
Term
what is the major cause of mitral stenosis?
Definition
rheumatic fever
Term
S/S of mitral stenosis?
Definition
@ first may be asymptomatic,murmur or click,pulmonary symptoms(most common), fatigue,dizziness,syncope,& activity intolerance from decreased CO,palpitations,chest pain,if emboli(stroke & seizures), if R ventricle fails (symptoms of HF)
Term
surgical incision of the commissure in the valve to increase the size of the opening
Definition
commissurotomy
Term
repair or reconstruction of valve flaps- can use prosthetic rings
Definition
annuloplasty
Term
therapeutic measures for mitral stenosis
Definition
no tx if no symptoms,prophylactic abx therapy,anticoagulants,valvuloplasty,commissurotomy,annloplasty
Term
balloon dilates stenosed heart valve once in it inflated within mitral valve
Definition
valvuloplasty
Term
incomplete closure of mitral valve leaflets,allows backflow of blood into L atrium with each contraction of L ventricle
Definition
mitral regurgitaion/insufficiency
Term
major cause of mitral regurgitation?
Definition
rheumatic heart disease
Term
S/S of mitral regurgitation?
Definition
asymptomatic @ first,murmur,exertional dyspenea,fatigue,syncope,cough,edema,palpitations,irregular pulse,weakness,atrial fib,pulmonary HTN, or heart failure
Term
therapeutic measures for mitral regurgitation?
Definition
prphylactic abx therapy,ACE inhibitors,digitalis,calcium channel blockers,beta blockers,anticoagulant therapy,therapy for HF if indicated,mitral valve repair or replaced
Term
obstruction of blood flow from L ventricle into the aorta due to narrowing of aortic valve
Definition
aortic stenosis
Term
what is the major cause of aortic stenosis?
Definition
congenital defects or rheumati heart disease
Term
S/S of aortic stenosis?
Definition

primary symptoms (angina)

mumur,syncope,orthopnea,dyspnea on exertion,fatigue are indicators of L ventricular failure,progression can lead to pulmonary edema & r sided heart failure

Term
therapeutic measures for aortic stenosis?
Definition

valve replacement(tx of choice)

prophylactic abx

Term

aortic valve cusps do not close completely

-backflow of blood from aorta into L ventricle

Definition
aortic regurgitation
Term
S/S of aortic regurgitation?
Definition
forceful heartbeat esp. when lying down, palpitations,pounding in head,exertional dyspnea,fatigue,orthopnea,corrigan's pulse,L ventricle failure,atypical angina
Term
therapeutic measures for aortic regurgitation?
Definition
valve replacement (tx of choice)
Term
infection of the endocardium(inner layer of heart) and heart valves(mitral valves most commonly affected then aortic valve)
Definition
infective endocarditis
Term
who is @ risk for infective endocarditis?
Definition
ppl undergoing dental extractions,prphylactic cleaning,or dental surgery,prolong IV therapy,insertion of cardiac pacemakers,cardiac surgery,trach intubation,repeated GU instrumentation,IV drug abuse,gingival gum disease
Term
prevention of endocarditis?
Definition
proper oral care & skin care,aabx therapy before invasive or dental procedures for high risk pts with cardiac diseases or prior endocarditis
Term
S/S of endocarditis?
Definition
fever,new murmor,wt loss, splinter hemorrhage,petechiae,janeway lesions,osler's nodes,
Term
black or red-brown longitudinal short lines in distal nailbeds
Definition
splinter hemmorrhages
Term
small,painless, red-blue lesions on palms & soles
Definition
janeway lesions
Term
small,painful nodes on fingers and toes
Definition
osler's nodes
Term
therapeutic interventions for endocarditis?
Definition
hospitalization,IV therapy with PCN,Vancomycin,Amp B daily for 4-6wks,rest,antipyretics for fever,surgical valve replacement may be necessary for severly damaged valve,prophylactic abx therapy lifelong necessity.
Term
acute or chronic inflammation of the pericardium,can occure with or without Pericardial Effusion,Usually occurs 2nd to endocarditis,myocarditis,chest trauma, or MI
Definition
pericarditis
Term
s/s of pericarditis?
Definition

chest pain

Classic sign(pericardial friction rub)

Term
how do you relieve chest pain from pericarditis?
Definition
sitting upright & leaning fwd
Term
tx for pericarditis?
Definition
pericardiocentesis,pericardiostomy,pericardiectomy,monitor VS,assess for s&s of HF,cardiac tamponade,rest,analgesics,antipyretics,NSAIDs,corticosteroids
Term
inflammation of the myocardium
Definition
myocarditis
Term
s/s of myocarditis?
Definition
general chest discomfort,anorexia,enlarged lymph nodes,muscle aches,moist lung sounds with L sided heart failure,distended neck veins,cyanosis,enlarged abdomen,
Term
tx for myocarditis?
Definition
bedrest,limited activity,O2 for hypoxia,abx for bacteria infections,avoid alcohol & tobacco, cardiotonics to tx heart failure,heart transplant in severe cases,monitor VS,assist pt to reduce fatigue
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