exam 3 week 6 content Flashcards
Mitral regurgitation vs Aortic stenosis
s/s
- Fatigue
- SOA
- NO chest pain
s/s
- Asymptomatic
- Syncope, light headed, chest pain!!!
- Pulmonary edema – crackles, rhonchi, cough, congestion – from blood back up
Mitral regurgitation
Blood is leaking back through the mitral valve into the left atrium (loose)
- Most common
s/s
- Fatigue
- SOA
- NO chest pain
Aortic stenosis
Blood is unable to flow freely from the left ventricle to the aorta (tight)
s/s
- Asymptomatic
- Syncope, light headed, chest pain!!!
- Pulmonary edema – crackles, rhonchi, cough, congestion – from blood back up
_______________
Blood is unable to flow freely from the left ventricle to the aorta (too tight)
______________
Blood is leaking back through the mitral valve into the left atrium (too loose)
- Most common
Aortic stenosis
Blood is unable to flow freely from the left ventricle to the aorta
Mitral regurgitation
Blood is leaking back through the mitral valve into the left atrium
- Most common
Infective endocarditis (IE) in IVDA
- Veins are portal of ______
- Staph aureus, Bacteria on ______ is most common cause of infection
- Bacteria travels from peripheral vein, to inferior vena cava, to _____ side of heart
- _______ valve (1st) most often affected in IVDA
- ______ _______ can enter pulmonary artery and lungs
- Veins are portal of entry
- Staph aureus, Bacteria on skin is most common cause of infection
- Bacteria travels from peripheral vein, to inferior vena cava, to right side of heart
- Tricuspid valve (1st) most often affected in IVDA
- Septic emboli can enter pulmonary artery and lungs
Symptoms for ______
- Angina!!!
- Maybe asymptomatic at first
- But eventually as coronary arteries continue to narrow, the decreased blood flow may cause
o chest pain and/or angina
o anxiety
o nausea
o cold sweat
o burning sensation
o dizziness
o heart burn
o irregular heart beat
o weakness
- “angina” could mean chest pain and/or all these symptoms
- If complete occlusion occurs = myocardial infarction
CAD
PACs
P=
A=
C=
PVCs
P=
V=
C=
PACs
Premature atrial contractions
PVCs
Premature ventricular contractions
Stable angina is a risk factor for developing
SATA
- CAD
- MI
- HF
- CAD
- MI
X- HF
Disease the affects the myocardium (thick, muscular layer of the heart that contracts to pump blood throughout the body. It’s essentially the “working muscle” of the heart)
- leads to heart failure
Cardiomyopathy
Cardio – heart
Myo – muscle
Opathy – disease
- ~Originates in AV node
- ~Rate = 150-250 BPM
- No P wave – or abnormal looking P wave
- QRS normal
-~ Begins and ends suddenly - LOW CO!!
PSVT
Paroxysmal – occasional = Begins and ends suddenly
Supra Ventricular – above the ventricle = Originates in AV node
Tachycardia – fast heart Rate = 150-250 BPM
stable vs unstable angina?
Coronary blood flow is diminished but not blocked, pain is usually relieved with rest
more severe form of chest pain, not relived with rest
stable angina
unstable angina
afib or aflutter is sawtooth appearance?
a flutter
which deadly dysrhythmia is
Associated with
- MI
- CAD
- Significant electrolyte abnormalities
- Heart failure
- Drug toxicity
Ventricular tachycardia VTACH
Atropine – anticholinergic
will this slow the HR or increase the HR?
beta-blockers:
Propranolol
Nadolol
Timolol
Metoprolol
Atenolol
Bisoprolol
Esmolol
will these slow the HR or increase the HR?
increase HR
indications: Symptomatic Sinus bradycardia
slow HR
HErEF or HEpEF?
Left ventricle loses ability to generate pressure to eject blood from left ventricle effectively
Weakened muscle = cant generate SV = decreased CO
LV fails = blood backs up = fluid accumulation and backup
1st in pulmonary system
2nd in rest of body
HF with reduced ejection fraction
“HFrEF” or “systolic HF”
WEAK muscles
“pqRStuv”
HFpEF/diastolic HF = THICK muscles
“DP”
PSVT
P=
S=
V=
T=
PSVT
Paroxysmal – occasional = Begins and ends suddenly
Supra Ventricular – above the ventricle = Originates in AV node
Tachycardia – fast heart Rate = 150-250 BPM
Systolic vs diastolic HF
___________HF =
- Weakened LV heart muscle
- Less blood pumped out of LV
___________HF =
- Stiff heart muscle
- Less blood fills LV
Systolic HF =
- Weakened LV heart muscle
- Less blood pumped out of LV
“sis is weak”
Diastolic HF =
- Stiff heart muscle
- Less blood fills LV
“di hard”
Systolic heart failure involves a problem with the heart’s pumping ability, while diastolic heart failure involves a problem with the heart’s filling ability.
HFrEF or HFpEF?
Caused by
- Impaired contractile function
- Increased afterload
- Cardiomyopathy
- Mechanical problems
Caused by
- HTN
HFrEF
Caused by
- Impaired contractile function
- Increased afterload
- Cardiomyopathy
- Mechanical problems
HFpEF
Caused by
- HTN
“lmn…p”
patho PVD
1. atherosclerosis in ________
2. _________ of calf muscle
3. Reduced myofibers, impaired mitochondrial function, muscle damage and degeneration, impaired peripheral nerve function
4. Impaired _______ consumption, reduced leg strength
5. Pain and reduced mobility
patho PVD
1. LE atherosclerosis
2. Ischemia of calf muscle
3. Reduced myofibers, impaired mitochondrial function, muscle damage and degeneration, impaired peripheral nerve function
4. Impaired oxygen consumption, reduced leg strength
5. Pain and reduced mobility
stable vs unstable angina?
- angina pectoris - type of chest pain
- not brought on by exertion/activity
- may radiate
- not relieved in 2-5 mins
- not relived with rest
- may occur with n/v, SOA, diaphoresis
- risk of MI increases with angina pectoris
unstable angina
HErEF or HEpEF?
Risk factors
- Female
- Older adult
- DM
- Obesity
- Alcohol use
- Potassium levels
- AF
- Lung disease
- Anemia
Risk factors
- Young
- Male
- CAD
- DM
- Valve disease
- CKD
HFpEF
Risk factors
“DP…OA, female”
- Female
- Older adult
- DM
- Obesity
- Alcohol use
- Potassium levels
- AF
- Lung disease
- Anemia
HFrEF
Risk factors
- Young
- Male
- CAD
- DM
- Valve disease
- CKD
Risk factors for Coronary artery disease (CAD)/coronary heart disease
Modifiable
- HTN
- Smoking and nicotine
- DM
- Obesity – esp abdominal obesity (android)
- Inactivity
- Diet – high in ___, ___, ___, ___
o _______ diet is protective for CAD
- Hyperlipidemia!!!
o Drug - Statins treat
- Depression/stress – r/t systemic inflammation
Modifiable
- HTN
- Smoking and nicotine
- DM
- Obesity – esp abdominal obesity (android)
- Inactivity
- Diet – high in salt, carbs, fat and trans fat
o DASH diet is protective for CAD
- Hyperlipidemia!!!
o Drug - Statins treat
- Depression/stress – r/t systemic inflammation
Risk factors PVD or angina?
- Smoking!!!
- DM
- High cholesterol
- Heart disease
- Stroke
- Older age
PVD
Types of cardiomyopathy:
__________ cardiomyopathy
o Ischemic problem
o Valve disease
o Alcohol and drugs
o Post/peripartum heart failure issues
o Infection
o Associated with genetic link
o Leads to heart failure with decreased ejection fraction
__________ cardiomyopathy
o Big muscle
o r/t HTN
o deadly arrhythmias
o sudden cardiac death
o decreased ejection fraction
_________ cardiomyopathy (amyloid)
o Not common
o Ventricles are resistant to filling
o Muscle stops working
o Ventricle hardening, rigid, noncompliant
o Presents as right sided failure
o Leads to systemic congestion
o r/t amyloid disease
Restrictive , Hypertrophic , Dilated
Types
- Dilated cardiomyopathy
o Ischemic problem
o Valve disease
o Alcohol and drugs
o Post/peripartum heart failure issues
o Infection
o Associated with genetic link
o Leads to heart failure with decreased ejection fraction
- Hypertrophic cardiomyopathy
o Big muscle
o r/t HTN
o deadly arrhythmias
o sudden cardiac death
o decreased ejection fraction
- Restrictive cardiomyopathy (amyloid)
o Not common
o Ventricles are resistant to filling
o Muscle stops working
o Ventricle hardening, rigid, noncompliant
o Presents as right sided failure
o Leads to systemic congestion
o r/t amyloid disease
Causes of PSVT or PACs
- re-entry phenomenon - cardiac impulse in one part of the heart continues to depolarize (let out its action potential) after the main impulse has finished
- over exertion
- emotional stress
- stimulants
- digitalis toxicity
- rheumatic heart disease
- CAD
- WPW syndrome – wolff Parkinson white
- Right sided heart failure – cor pulmonale
PSVT
Infective endocarditis (IE)
This is a serious infection of the heart’s inner lining (endocardium), often caused by bacteria or fungi. It can lead to damage of the heart valves and other complications.
- Infection gets to _____
- Common valve this IE occurs on is the _________ valve (1st) b/c it’s the 1st valve that blood from the body reaches, so if an infection starts in your blood stream and travels to your heart, it would reach this valve first
- __________/infective masses grow on the valves
- If it breaks off it can travel to other places = _______ ________
Infective endocarditis (IE)
This is a serious infection of the heart’s inner lining (endocardium), often caused by bacteria or fungi. It can lead to damage of the heart valves and other complications.
- Infection gets to heart
- Common valve this IE occurs on is the tricuspid valve (1st) b/c it’s the 1st valve that blood from the body reaches, so if an infection starts in your blood stream and travels to your heart, it would reach this valve first
- Vegetation/infective masses grow on the valves
- If it breaks off it can travel to other places = septic emboli
Normal Ejection Fraction = 55%-60%
________= EF 40%-49% (only slightly decreases)
________ = EF < 40%
PRESERVED… HFpEF = EF 40%-49% (only slightly decreases)
REDUCED… HFrEF = EF < 40%
Eitology of _________
- Atherosclerosis – most common
- Thrombus
- Inflammation – thromboangitis obliterans is an arterial inflammatory condition
- Vasospasm – inappropriate vasoconstriction, raynaud’s disease or autoimmune disorders
PVD
Enlargement and dilation of the left ventricle = Worsens HF
Ventricular remodeling in HF
- Deadly rhythm
- Irregular wave forms of varying shapes and sizes
- Ventricles are quivering
- No effective contractions = no CO
- Check pulse
- No pulse = CPR
Ventricular fibrillation VFIB
nursing considerations for angina
1. education
o decrease O2 demand on heart with ____ and _____
2. drug =
3. prevent/treat further _________ r/t hyperlipidemia, HTN, stop smoking
4. teach about MI
o if you rest and your pain doesn’t get better in about 5 mins = ______
nursing considerations
1. education
o decrease O2 demand on heart with rest and relaxation
2. nitrates
3. prevent/treat further atherosclerosis
o hyperlipidemia, HTN, stop smoking
4. teach about MI
o if you rest and your pain doesn’t get better in about 5 mins = call 911
with ___________ the Myocardium is weakened =
Pump is insufficient to pump blood forward and can’t meet body’s demands =
Person is hospitalized
heart failure
The myocardium is the thick, muscular layer of the heart that contracts to pump blood throughout the body. It’s essentially the “working muscle” of the heart.
Left vs right sided HF
Findings:
- JVD
- Dependent edema – lower extremities
- Weight gain
- Hepatosplenomegaly – enlarged spleen/liver
RIGHT HEART = BODY issues
Cardiac conductivity – action potentials
1. SA node
Stimulates ______ to contract
2. P wave = atrial ___________
(think light switch turning on)
In atrial systole/Atrial squeeze
3. AV node
Stimulates ________ to contract
4. QRS complex = ventricular _________
In ventricle systole/ventricle squeeze
5. T wave = ventricular ___________
(think heart is ramping back up)
Ventricular are recharging/repolarizing
6. Flat line = isoelectric line
Cardiac conductivity – action potentials
1. SA node
Stimulates atria to contract
2. P wave = atrial depolarization
(think light switch turning on)
In atrial systole
Atrial squeeze
3. AV node
Stimulates ventricular to contract
4. QRS complex = ventricular depolarization
In ventricle systole
ventricle squeeze
5. T wave = ventricular repolarization
(think heart is ramping back up)
Ventricular are recharging/repolarizing
6. Flat line = isoelectric line
Risk factors for _________
- Prosthetic valve
- Pacemaker
- IVDA - Intravenous Drug Abuse
(these high risk people would take a prophylactic abx before procedures, like dental procedures)
Infective endocarditis (IE)
s/s of sinus brady or sinus tachy?
- Lightheaded
- Dizzy
- Easily fatiguability
- Syncope
- Dyspnea
- Chest pain
- Confusion
sinus brady
all are r/t low CO and not getting enough O2 to tissues effectively
tachy - no s/s were listed
Umbrella term describing several circulatory diseases affecting veins AND arteries
peripheral _________ disease is only affecting the arteries
venous disease, Venous walls and/or valves in the leg veins are not working, Venous stasis – blood pools in veins
PVD - Peripheral vascular disease
peripheral arterial disease (PAD)
Chronic venous insufficiency (CVI)
Heart valves
1st – ________ valve
2nd – _______ valve
3rd – _______ valve
4th - _______ valve
Heart valves
1st – tricuspid valve
2nd – pulmonary valve
3rd – mitral valve
4th - aortic valve
normal heart rhythm where the heart’s electrical impulses originate in the sinus node, a natural pacemaker located in the right atrium of the heart.
When the sinus node is functioning properly, it produces regular electrical signals that cause the heart to beat at a normal rate.
Sinus Rhythm
PAD or CVI? arteries vs veins
- Dull achy pain, tiredness in LE
- LE edema!!!
- Pulse present
- Drainage
- Sores with irregular border
- Yellow slough or ruddy skin
- Sores are located on ankles
- Leathery looking skin
- Stasis ulcers
- Flaking or itching skin
- New varicose veins
Chronic venous insufficiency (CVI)
s/s of venous disease
r/t inadequate return of venous unoxygenated blood from the LE to the heart
r/t Venous walls and/or valves in the leg veins are not working
r/t Venous stasis – blood pools in veins
an issue getting unoxygenated blood from LE back to heart
Types of PVC
T/F
1. Bigeminy = every other contraction is PVC
2. Trigeminy = every 3rd contraction is PVC
4. Quadrigeminy = every 4th contraction is PVC
5. PVC can be positive or negative – above flat line or below flat line
6. 3 or more PVCs consecutively is not a concern
- Bigeminy = every other contraction is PVC
- Trigeminy = every 3rd contraction is PVC
- Quadrigeminy = every 4th contraction is PVC
- PVC can be positive or negative – above flat line or below flat line
X 6. 3 or more PVCs consecutively is VTACH = deadly rhythm!!! Requires immediate treatment
Diagnosis of PAD or CVI/venous disease?
- Ankle brachial index (ABI) – compares BP in leg vs arm
- Normal = ankle pressure > brachial pressure
- Normal ratio > 1
- Severe = 0.5
PAD