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what is CAD
progressive narrowing of the arteries by atherosclerosis
cholesterol and thickening
coronary heart disease
athersclerotic heart disease
non-modifiable risk factors of CAD
age
men over 45
women once they get near menopause
family hx
modifiable risk factors
smoking
inactivity
overweight
cholesterol
increased LDL
decreased HDL
HTN
what is the first diagnostic test that should be done with CAD
12 lead EKG
dx studies of CAD
12 lead EKG-1st
holter monitor- outpatient
stress test w/ adenosine(hold beta blockers)
monitor VS and ECG
pharmacological stress testing
nuclear stress testing
chest x-ray
echo
TEE
multigated blood pool study
PET scan
MRI
what is nuclear stress testing
isotopes that glow
MUGA scan
looks at the hearts pumping ability and uses a tracer(radioactive isotopes)
medical hx and physical exam of CAD
risks
prior hospitalizations
SOB, chest pain
meds for erectile dysfunction
psychosocial hx
include stressors
labs for CAD
CBC
hgb
hct
sodium
potassium
calcium
mag
cholesterol- HDL and LDL
Troponin I and T
what is a normal amount of troponin I
less than .5
normal amount of troponin T
less than .1
cardiac cath and arteriography
electrophysiology study
catheter R. or L.
heart pressures (similar to PA cath)
Cardiac output
ateriography
uses contrast
ateriography
contrast used to visualize the blood vessels
if they are not 100% occluded, use balloon pump
post-catheterization
bed-rest
monitor bleeding
new collagen agents for hemostasis can be used
monitor pulses
check for bleeding and hematomas
antiplatelet drugs after the procedure
2 check nurse check below the catheter to check for pulses
what should the bed be at after catheterization for CAD
no higher than 30 degrees or
reverse trendelenburg
when are antiplatelet drugs normally given in regards to CAD
after a PCI when they place a balloon
why are antiplatelets used after PCI
to prevent clotting cascade
when can antiplatelet drugs be discontinued after PCI
6-8 hrs
what are the extreme tx options for CAD
stent
CABG
medically managed
which meds are used for CAD
statins
medications affecting platelets- ASA, dipyridamole, ticlopidine, clopidogrel
what is HMG-CoA reductase
a class of medications that lower cholesterol in the blood
tx for CAD
diet: low cholesterol
low sodium
DASH diet
excersise
wt loss
smoking cessation
management of HTN of DM
statins
which medications are bile acid resins bind and are excreted via bowel
cholestyramine
colestipol
ezetimbe
blocks the absorption of cholesterol in the digestive tract
stable angina
chronic
exertional
what does stable angina look like on an ECG
T wave inversion
what is the tx for stable angina
rest
nitro
unstable angina
more often and more severe
less relief
activity does not always trigger it
what does unstable angina look like on an ECG
may have ST elevation
what is the tx for unstable angina
rest
nitro
drugs affecting platelets
revascularization
Prinzmental’s variant angina
spasms in the coronary arteries
chest pain will occur at rest
when does ST elevation occur with variant angina
with pain
what is the tx for variant angina
calcium channel blocker
nitro
common SE is HA-take tylenol
vasodilator- gets more o2 to the heart
can take 3; one every 5 mins; call 911 after third one
watch BP
how long does it take to put in stents
60-90 mins
if a stent is placed for angina and the pt is experiencing pain right after what does that indicate
failed stent
clotting cascade
difference of occlusion of unstable angina vs stable angina
unstable angina is more occluded and worse
what angina are stents used for
stable angina
what are the pt care outcomes for angina
pt will verbalize relief of chest discomfort
pt will appear relaxed and comfortable
verbalize understanding of angina and its management
pt will describe cardiac risk factors and strategies to reduce them
perform activities within limits of the disease aeb no pain or discomfort and no ECG changes reflecting ischemia
acute coronary syndrome
irreversible
ischemia w myocaridal death
imbalance of o2 supply and demand
includes stable angina, unstable angina, or AMI
causes of acute coronary syndrome
atherosclerosis
emboli
blunt trauma
spasm
types of MIs
NSTEMI
STEMI
what is collateral cirrculation
when there is blockages in the main vessels so the little vessels dilate to create another pathway for bloodflow
sx of MI
midsternal chest pain
severe crushing and squeezing pressure
may radiate
unrelieved with nitrates
pale and diaphoretic
dyspnea, tachypnea, and/or hypotension
females=shoulder and neck pain
syncope
feeling of impending doom
NV
dysrythmias
nursing goals of MI
maintain CO
treat pain
assess for complications
increase activity tolerance
relieve anxiety
dx of MI
signs and symptoms
12 lead EKG
ST elevation followed by a Q wave
ST depression=non-q wave
elevated troponin
increased trop and normal EKG
NSTEMI
increased trop and ST elevation
STEMI
tx of MI
CABG
MICABG
transmyocardial revascularization
interventional cardiology
percutaneous transilluminal coronary angioplasty
stent
60% occulsion or less
stent
60% occlusion or more
CABG
what are the ED meds for MI
MONA
morphine
O2
nitro
aspirin
who would PCI be contraindicated for
someone with issues in the L main artery
medical management of MI
pain relief: morphine and nitro
o2
prevention of platelet aggregation- pt is given aspirin in the ambulance then put on a heparin drip
PCI
fibrinolytic therapy
autologous bone marrow tx to the damaged myocardium
balloon pump
improves diastolic filling time and improve contractility
used for a few days until someone can get surgery
used for cardiogenic shock
improves cardiac output
what is heart failure
the inability of the heart to generate adequate flow and meet the metabolic demands of the body
systolic HF
impaired contractility dt cardiomyopathy
diastolic HF
impaired filling dt hypertrophy
left sided HF
decreased pumping action
fluid backup from the lungs
backflow can lead to R sided failure
sometimes uses the renin-angiotensin-aldosterone system
right sided HF
systemic sx
lab to check HF and its normal
BNP
normal=100
BNP
cardiac hormone secreted that is a good marker for differentiating between pulmonary and cardiac causes of dyspnea
what happens to BNP as HF is treated
lowers
dx testing for HF
echo
ABG
electroltyes
BUN/creatnine
CBC
BNP
hepatic function
ECG
HF interventions
LVAD
improve pump function
improve cardiac workload
optimization of gas exchange
what are the HF interventions that improve pump function
diuertics
ACEi
angiotensin receptor blockers
BB
digoxin
nesiritride citrate
what are the HF interventions to reduce cardiac workload
balloon pump
rest, cardiac rehab
mechanical circulatory support devices
optimization of gas exchange
airway assessment
semi-fowler
supplemental o2
CPAP
diuersis
control sodium and fluid retention
daily wts
VTE prophylaxis
inflammatory heart disease
either pericarditis or endocarditis
what are the causes of pericarditis and endocarditis
pericarditis:
infection
autoimmune disorder
trauma
endocarditis:
IV drug use
mechanical valve
what can inflammatory heart disease lead to
tamponade
scarring
pericarditis sx
friction rub
pulsus paradoxus-change in BP during inspiration
initial ST elevation
chest hurts with inspiration or while moving forward
fever
dysrythmias
dyspnea
what are the interventions for pericarditis
pericardiocentesis to remove fluid
pericardial window
pericardectomy
NSAIDS
steroids- dec inflammation
antibiotics for bacterial
what are the symptoms of endocarditis
high fever
shaking chills
night sweats
cough
wt loss
general malaise, weakness, fatigue, HA, musculoskeletal complaints
new murmurs
JVD
skin abnormalities
Janeway Leisons- red/blue spots on palms and soles
osler nodes- red/purple nodules found on fingers and toes
petechiae
splinter hemorrhages
dx of endocarditis
echo
TEE
blood cultures
interventions of endocarditis
antibiotics
rest abx before dental appointments
heart valve replacement
what does endocarditis cause
microvascular pressure w/ regurgitation and a floppy valve
what is a PCI
putting in a stent in the cath lab for a partial blockage (under 60%)
what is cardiac catheterization/angiogram
uses contrast and catheter to look for blockages
angioplasty
clears blockages with a balloon that opens the blood vessel
stent may be placed
what to do before cardiac cath
NPO
sedation
assess allergies to shellfish and iodine
give diphenhydramine
give prednisone
what to do before a stress test
NPO
hold beta blockers
adenosine
what lab is important for CAD and what are the instructions before it is drawn
lipids
HDL
LDL
NPO 12 hours prior to blood draw
what does atorvastatin treat
LDL only
normal LDL=under 100
when is plavix/clopigodrel used
when a stent is placed so that clots do not form around the stent
Plavix/clopidogrel needs to be stopped before any surgeries
managing the progression of CAD
aspirin
diet and lifestyle changes
what should be watched for with stent placement
Thrombotic thrombocytopenic papura- little clots all over the body that cause neuro changes and renal failure
how is nitro taken
sublingually or spray
if a pt presents to the ED with chest pain what should always be asked before giving nitro
if they take phosphodiasterase
erectile dysfunction meds
can cause life-threatening hypotension
normal LDL
under 100
when should someone notify their physician when taking a statin
if they develop muscle pain or tenderness
which labs are monitored when taking statins
CPK- shows potential damage or injury to the skeletal or muscle tissues in the body
liver function
what should be monitored with taking beta blockers
hypoglycemia
breathing issues- not prescribed for pts with COPD or asthma
do not take with grapefruit juice
what do ACEi end in and what is a common SE
“pril”
dry cough
when does each angina occur
stable- on exertion
unstable-rest or exertion
variant- at rest
what is indicative that someone is having an MI and not just having angina
chest pain that lasts more than 30 mins
unrelieved by rest and nitro
MI also has SOB and N/V and diaphoresis
when do you call 911 when taking nitro
after the 3rd dose
what are the sx women experience for an MI
jaw pain
back pain
NV
tx for AMI
MONA
morphine
O2
nitro
aspirin
how does an angioplasty widen the artery
with a balloon that pushes the plaque to the side