Shared Flashcard Set

Details

Cardiovascular Disorders
Cardiovascular Disorders
151
Nursing
Undergraduate 2
02/09/2012

Additional Nursing Flashcards

 


 

Cards

Term
A hollow muscular organ behind the sternum?
Definition
heart
Term
Where is the PMI located?
Definition
5th intercostal space
Term
The R and L sides of the heart are separated by the?
Definition
Septum
Term
What is the inner layer of the heart that lines the heart chamber?
Definition
Endocardium
Term
What is the middle layer of the heart made up of muscle fibers and is responsible for the pumping action of the heart?
Definition
Myocardium
Term
What is the outer layer of the heart that is embedded with coronary arteries?
Definition
Epicardium
Term
What valve is between the L atria and L ventricle?
Definition
Mitral Valve
Term
What valve is between the R atria and R ventricle?
Definition
Tricuspid Valve
Term
What valve is between the L ventricle and aorta?
Definition
Aortic Valve
Term
What valve is between the R ventricle and pulmonary artery?
Definition
Pulmonic Valve
Term
The mitral and tricuspid are what valves?
Definition
Atrioventricular Valve
Term
The aortic and pulmonic are what valves?
Definition
Semilunar Valves
Term
How does blood flow through the heart?
Definition
Superior/Inferior Vena Cave-> R Atrium-> Tricuspid Valve-> R Ventricle-> Pulmonary Valve-> Pulmonary Artery-> Lungs-> Pulmonary Veins-> L Atrium-> Mitral Valve-> L Ventricle-> Aortic Valve-> Aorta
Term
How does the conduction system work?
Definition
SA Node
AV Node
Bundle of His
Purkinje Fibers
Term
What will a pt need if the SA and AV nodes stop working?
Definition
Pacemaker
Term
What node is causes the heart to beat at 60-100 bpm and is the pacemaker of the heart?
Definition
SA Node
Term
What node will make the heart beat at 4-60bpm and transfers electrical impulses to the bundle of His?
Definition
AV Node
Term
What node is divided into right and left branches?
Definition
Bundles of His
Term
When electrical impulses reach here the ventricles contract.
Definition
Purkinje Fibers
Term
What controls the heart?
Definition
Autonomic Nervous System
Term
What is Sympathetic Nervous System?
Definition
Fight or Flight
Term
What does the Parasympathetic Nervous System do to the body?
Definition
opposite of Fight or Flight
Term
What is the contraction and relaxation of our heart?
Definition
Cardiac Cycle
Term
What happens during systole?
Definition
The heart propels blood forward, ventricles are full of blood and the heart contracts
Term
What happens during diastole?
Definition
The heart relaxes and the chambers refill with blood.
Term
What is cardiac output?
Definition
The amount of blood ejected by the heart in one minute.
Term
What is a normal cardiac output?
Definition
4-8L/min
Term
How do you calculate cardiac output?
Definition
HR x SV = CO
Term
What is stroke volume?
Definition
The amount of blood ejected with each ventricle contraction.
Term
The amount of stroke volume depends on what?
Definition
preload
contractility
afterload
Term
What is preload?
Definition
The amount of blood that remains in the ventricle at the end of diastole.
Term
If preload is increase what also increases?
Definition
everything increases
Term
What is contractility?
Definition
The ability for cardiac muscles to contract.
Term
If contractility is increases what else is increased?
Definition
everything increases
Term
What is afterload?
Definition
The amount of pressure ventricles need overcome to eject blood during contraction
Term
If the vessels are constricted what happens?
Definition
afterload will increase causing SV and CO to decrease
Term
IF the vessels are dilated what happens?
Definition
afterload will decrease causing SV and CO to increase
Term
What happens to the heart as we age?
Definition
increase density of tissue
decrease elasticity
pacer cells decrease
takes longer to respond to stress
postural (orthostatic) hypertension
Term
An increase density and a decrease elasticity cause a?
Definition
decrease contraction
Term
What do the arteries do in the body?
Definition
They carry blood from the heart toward the tissues.
Term
What is the largest artery in the body?
Definition
Aorta: carries oxygenated blood from the L ventricle of heart.
Term
What do arterioles do in the body?
Definition
Small vessels that branch off arteries and send blood to capillaries.
Term
What do capillaries do in the body?
Definition
Carry nutrients and oxygen into the tissues and the removal of metabolic wastes from tissues.
Term
What do venules do in the body?
Definition
Small vessels that branch off veins and send deoxygenated blood into our veins from our capillaries.
Term
What do veins do in the bdoy?
Definition
They take deoxygenated blood from the extremities to our heart.
Term
What does the systemic circulation involve?
Definition
Circulation in the body besides the heart and lungs.
Term
What does the pulmonary circulation involve?
Definition
The circulation of blood from our heart to our lungs and back.
Term
What is it called when you have a hard time breathing while sleeping?
Definition
paraoxysmal nocturnal dyspnea
Term
This allows study of the electrical activity through the heart muscle.
Definition
electrocardiogram (EKG)
Term
This is a portable machine with a memory to provide continuous cardiac monitoring from 24hrs to weeks at a time.
Definition
Holter Monitor
Term
This records the size, shape, position, and behavior of the hearts internal structure. Ultrasonic waves are beamed into the heart, and their echoes are recorded.
Definition
Echocardiogram
Term
A flexible endoscopic probe with a ultrasound transducer is passed down the back of the throat into the esophagus.
Definition
Transesphageal Echocardiogram (TEE)
Term
What must be obtained before an TEE?
Definition
signed consent
Term
What should be monitored after a TEE?
Definition
VS
LOC
gag reflex: NPO until reflex returns
Term
What creates a 3-D images of body structures without radiation?
Definition
MRI
Term
A radioactive material is injected through IV and the heart is scanned to evaluate function. May be done during rest or exercise.
Definition
Multiple- Gated Acquisition Scan (MUGA)
Term
What has to be done before a MUGA Scan?
Definition
NPO 2hrs before
signed consent
Term
A continuous EKG is monitored while the pt uses a treadmill or stationary bike. Every 2-3 mins the peed and incline are increased?
Definition
Stress Test (Exercise Tolerance Test)
Term
A stress test is continued until what happens?
Definition
Either: pt can no long continue
pt reaches max hear rate
symptoms intervene
significant changes to EKG
Term
How do you calculate a pt max HR?
Definition
220- pt age
Term
What has to be done before a stress test?
Definition
NPO 2hrs before
signed consent
give beta-blockers if prescribed
Term
A catheter is inserted into a vein or artery and is threaded into the heart chambers, coronary arteries, or both under fluoroscopy. A contrast dye is injected through the cath. Films are made of the heart structure. Vitals and EKG are monitored
Definition
Cardiac Catheterization
Term
What must happen before a cardiac cath?
Definition
NPO morning before
signed consent
tell pt to expect a flush sensation when dye is injected
give sedative if ordered, pt will be awake
Term
What are post-op measures for a cardiac cath?
Definition
check puncture site
maintain pressure if vascular seal is not used
VS and peripheral pules on affected extremity
enforced ordered bed rest
Term
This assesses the acid-base balance by measuring pH, Pco2, Hco3, and base excess. Uses an artery, not vein?
Definition
arterial blood gas
Term
This is released when heart cells die as a result of damage?
Definition
cardiac enzymes
Term
This cardiac enzyme is elevated when damaged has occurred to the myocardial cells. Can be elevated up to 24 hours after MI.
Definition
Creatine Phosphokinase (CPK-MB)
Term
Cardiac enzyme that is only detected in a pt that has had an MI?
Definition
Troponin
Term
A CBC is what?
Definition
WBC
RBC
H&H
Platelet count
Term
This is used to evaluate risk of CAD?
Definition
Lipid Profile
Term
This measures naturally occurring BNP levels. Elevated in heart failure.
Definition
B-type Natriuretic Peptide (BNP)
Term
A protein that is elevated in system inflammation?
Definition
C-reactive protein (CRP)
Term
What does a cardiac glycoside do?
What is an example and what do you have to know before giving?
Definition
slows heart rate
Digoxin
Apical pulse
Term
What do antianginals do?
What is an example and what do you need to know before giving?`
Definition
Use to treat angina r/t myocardial ischemia.
Nitrates: Nitroglycerin
Beta-Blockers: Metaprolol
Calcium Channel Blockers: Cardizem
BP and HR
Term
What do antidysrhythmias do?
What is an example and what do you need to know before giving?
Definition
Used to treat abnormal heart rhythms.
Amiodarone
Apical
Term
What do ACE Inhibitors do? What is an example and what do you need to know before giving?
Definition
Dilated arteries and decrease resistance of blood flow through the arteries.
BP and HR
lisinopril
Term
What do diuretics do? What is an example and what do you need to know before giving?
Definition
Treatment of fluid retention
Loop Diuretic: Lasix
Thiazide Diuretic: Hydrochlorothiazide (HCTZ)
Potassium Sparing Diuretic: Aldactone
BP, HR, K+ levels
Term
What is the antidote of Heparin and what do you monitor?
Definition
Protamine Sulfate
Monitor PTT lab values: tells quickly the blood is clotting.
Term
What is the antidote for Coumadin? What needs to be monitored?
Definition
Vit K
Monitor PT/INR lab values: evaluates how quickly blood is clotting.
Term
What is an anticoagulant do? What should you monitor?
Definition
Used to prevent blood clots.
Monitor pt for signs of bleeding.
Term
What do antiplatelets do and what are some examples?
Definition
Used to prevent platelets from sticking together which my lead to blockage of vessels.
Aspirin
Plavix
Ticlid
Term
What do Thrombolytic agents do. What are some examples, and how can a pt get them?
Definition
Destroys clots that have already formed. Given to pts who come in with a stroke or MI but must meet a set list of criteria before giving.
Streptokinase
Term
What do Lipid-Lowering Agent. What are some examples
Definition
Lowers the lipid levels in the pt with high cholesterol.
Lipitor (atorvastatin)
Zocor (simvastatin)W
Term
What do Analgesics do? What are some examples?
Definition
Relieves pain in an MI, reduces anxiety. Main goal is to reduce the workload of the heart by decreasing BP
Morphine
Term
Every pt with an expected MI will get what treatment?
Definition
MONA
Term
This pacemaker is placed on the outside of the body, electrical impulses are sent through pads that are placed on the chest. Used only in emergencies.
Definition
Transcutaneous Pacemaker
Term
This pacemaker an electrode is placed into R side of heart. Cath is threated through the subclavian or jugular veins to the R atrium. Done in emergencies.
Definition
Transverse Pacemaker
Term
This pacemaker has 3 or 4 wires placed in the epicardium to send electrical impulses to the R atrium. Seen mostly in surgery.
Definition
Epicardial Pacemaker
Term
A small device surgically placed in SQ tissue in the chest. Has electrical wires that are threaded into the part of the heart that needs impulses. Dr will program the device.
Definition
Permanent Pacemaker
Term
What are post-op instructions for pacemakers?
Definition
pt cant put arm above heard for 2-3 weeks.
EKG monitoring
VS
inspect incision for infection
Term
What is the leading cause of death in the U.S.?
Definition
Cardiac Disorders
Term
Major coronary arteries are partially or completely blocked?
Definition
Coronary Artery Disease
Term
What is thickening, loss of elasticity of arterial walls. Caused by an increase lipids and cholesterol?
Definition
Arteriosclerosis
Term
What is thickening caused by deposits of fats and fibrin which hardens over time?
Definition
Atherosclerosis
Term
Risk factor of CAD?
Definition
increase cholesterol
increase BP
smoking
type 2 DM
obesity
life style
stress/anxiety
Term
S/S CAD?
Definition
Pain (angina)
Diaphoresis
Dyspnea
Fatigue
Nausea/Vomiting
need to rule out MI
Term
This pain occurs with exercise and activity. Goes away with rest and when calm. Also nitro makes pain go away.
Definition
Stable Angina
Term
This pain occurs randomly. No precipitating factors. Nitro doesn't relieve it.
Definition
Unstable Angina
Term
Treatment for CAD?
Definition
encourage pt to reduce modifiable risk factors
Initial Therapy:
A: Aspirin
B: beta blockers
C: cigarette smoking
D: diet
E: education
Term
What is destruction of the myocardial tissue as a result of lack of blood and O2 supply. Predominant in men prior to age 65.
Definition
Acute Myocardial Infarction
Term
Risk factors for an MI?
Definition
obesity
smoking
high fat diet
HTN
Type 2 DM
sedentary lifestyle
excessive stress
Term
What happens to the heart during an MI?
Definition
occlusion of coronary artery
ischemia
injury
infarction develops
Term
Complications of an MI?
Definition
dysrhythmias
CHF
cardiogenic shock: heart isn't able to supply enough blood to the organs, resulting in multi-system organ failure
embolisms
ventricular rupture
V-tach
Term
S/S of an MI?
Definition
pain
diaphoretic: cool clammy pale
light headeness
nausea and vomiting
dyspnea
Term
How do you diagnosis a MI?
Definition
pt history and classic symptoms
laboratory evidence
EKG
Term
Treatment of MI?
Definition
goal is to preserve myocardial tissue.
meds
angioplasty
CABG
Term
Meds for an MI?
Definition
Nitro
Morphine
O2
Thrombolytics: if candidate
Lidocaine: antidysrhythmic
aspirin
dopamine
Term
This done during a cardiac cath. Goes through femoral artery up into whichever coronary artery is occluded.
Definition
Angioplasty
Term
This is used of pt vessels to replace occluded vessel. Pt will be in cardiopulmonary bypass machine. Pt is sent to ICU after surgery.
Definition
Coronary Artery Bypass Graft (CABG)
Term
Nursing Diagnosis for MI?
Definition
decrease cardiac output
anxiety
pain
Term
MI nursing interventions?
Definition
provide a calm environment
simple explanations
give pain meds
oxygen
v/s
decrease demand on the heart
Term
Inability of the heart to meet the metabolic demands of the body. The contraction of our ventricles aren't efficient enough. Blood starts to back up if heart isn't contracting well enough.
Definition
Congestive Heart Failure
Term
Risk Factors of CHF?
Definition
CAD
HTN
COPD
decrease of heart valves
volume overload
renal failure
Term
Left sided CHF?
Definition
blood and fluids back into the lungs
pulmonary symptoms
edema
Term
Right sided CHF?
Definition
blood and fluids back up into the rest of the body resulting in weight gain and edema in the lower extremities
Term
Left sided CHF S/S?
Definition
crackles, wheezes
dyspnea
cough
tachycardia
Term
Right sided CHF S/S?
Definition
jugular vein distention
abdominal enlargement
edema
weight gain
decreased urinary
output
Term
How to diagnosis CHF?
Definition
history and physical exam
chest x-ray
lab test:
brain natriuretic
peptid: measures amt of fluid in the bdoy
high BNP 0-100 normal
fluids and electrolytes
BUN and Creatinine:f kidney function
Term
A disease of the heart muscle, myocardium isnt functioning correctly, leads to heart failure.
Definition
Cardiomyopathy
Term
Risk factors for Cardiomyopathy?
Definition
excessive use of alcohol
pregnancy
infections
obesity
diabetes
Term
S/S of Cardiomyopathy?
Definition
may have gradual onset, so may not notice
dyspnea
fatigue
left side heart failure
Term
How to diagnosis cardiomyopathy?
Definition
EKG
Term
How to treat cardiomypatthy?
Definition
decrease the workload on the heart, no cure, may need a heart transplant
Term
Factors affecting blood flow
Definition
resistance
blood viscosity
hemoconcentration
Term
Age related changes in the vascular system?
Definition
arteriosclerosis
decrease Hgb
slowing of HR
decrease SV
Term
Vascular System Assessment : 6P's
Definition
pulselessness
poikilothermy: decrease temp a ischemic site
pallor
paresthesia: tingling /numbness
paralysis
Term
Uses sound waves to diagnosis PVD?
Definition
doppler ultrasound
Term
Pain associated with decrease perfusion that is aggravated by exercise and relieved by rest?
Definition
intermittent claudication
Term
The removal of a blood clot located in a large vessel.
Definition
Embolectomy
Term
Used to gain access to the arteries in the lower extremities in ppl who are poor surgical risks?
Definition
Percutaneous Transluminal Angioplasty
Term
The emboli and atherosclerotic plaque are stripped away from the intima of the vessel and the vessel is surgically closed?
Definition
Endarterectomy
Term
What do vasodilators?
Definition
Dilates peripheral and coronary arteries.
Calcium Channel Blockers
Term
What do NASAIDS do?
Definition
decreases inflammation
Term
What do antiplatelets do? What are examples and what should you monitor?
Definition
Prevents clots formation of platelets
Aspirin and Plavix
monitor for bleeding
Term
S/S of an Arterial Embolsim?
Definition
pain
gradual loss of sensory and motor function of affected areas
absent distal pulses
pain aggravated by movement or pressure
pallor
sharp line of temp change
Term
Treatment of arterial embolism?
Definition
anticoagulants: IV heparin
thrombolytics: streptokinase
surgery
Term
Intermittent constriction of arterioles r/t spasms. Usually affects hands, can affect toes and top of nose.
Definition
Raynaud's Disease
Term
Dilated segment of an artery caused by weakness and stretching of arterial wall.
Definition
Aneurysms
Term
A small tear in the inner layer of the vessel permits blood to escape into the space between the inner and middle layers. Blood accumulates between the layers.
Definition
Aortic Dissection
Term
Inflammation of the vein walls?
Definition
Phlebitis
Term
Clot formation at site of inflammation
Definition
Thrombophlebitis
Term
thrombus in a vein
Definition
Phlebothrombosis
Term
Presence of a clot in a deep vein?
Definition
Deep vein Thrombosis
Term
Factors that contribute to venous thrombus formation (Virchow's Triad)
Definition
Stasis of the blood
damage to the vessel walls
hypercoagulability
Term
A filter used in the surgical treatment of Virchow's Triad.
Definition
Greenfield filter
Term
A blood clot that travels and lodges in the lungs?
Definition
pulmonary emboli
Term
This hypertension has no cause and is considered 90-95 cases?
Definition
Primary Hypertension
Term
This hypertension is a complication of another disorder?
Definition
Secondary Hypertension
Term
How do you diagnosis hypertension?
Definition
high BP on 3 separate occasions
Term
How to select the correct amt of hypertension meds?
Definition
1: start pt on a sage low dose of one of the three meds: diurectics, ace inhibitors, beta blockers
2: if BP is still high, either increase dosage of 1st med, or add 2nd med
3: if BP i still high, either increase dosages or add 3rd med
Supporting users have an ad free experience!