Heart and Neck Vessels HA Exam #3

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1
Subjective Data
chest pain (angina)
dyspnea
orthopnea
cough
fatigue
cyanosis/pallor
edema
nocturia
past cardiac history
risk factors
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Angina
men -> crushing chest pain, "elephant on my chest"
women -> left shoulder hurts, heartburn
pain radiating into jaw
pain left back of arm
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Dyspnea
DOE -> dyspnea on exertion
PND -> Paroxysmal nocturnal dyspnea
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Orthopnea
dyspnea when lying flat
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Fatigue
heart causing stress to the body
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Cyanosis/Pallor
central cyanosis -> core, torso
peripheral cyanosis -> fingertips, tongue
pallor -> not perfusing blood
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Edema
bilaterally on all 4 extremities = congestive heart failure
male -> check scrotum for edema
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Nocturia
full bladder being emptied = cardiac issues
waking up in the night to go pee
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Pulmonary edema
cough up bubbly, frothy, pink sputum
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Past Cardiac History
family history (time and treatment) -> mom and dad, aunt and uncle, grandparents and siblings
Hypertension
Activity Level -> what do you like to do for working
NONMODIFIABLE
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Risk Factors (Habits)
Nutrition
Smoking
Alcohol
Exercise
Drugs (recreational)
MODIFIABLE
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What do you need to ensure during the physical exam?
ensure privacy
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What is the order of assessment for the physical exam?
Pulse and BP
Extremities -> clubbing, temp, cap refill, lesions, edema, compare bilaterally
Neck Vessels
Precordium
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What is the equipment needed for the physical exam?
Tape measure
Stethoscope
Pen light
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Bell
listen for murmurs
soft pressure
if press hard turns into diaphragm
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Diaphragm
firm pressure
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Preparation for Carotid Artery Assessment
Carotid Arteries--sitting position -> brings all blood flow to brain; palpate one at a time
Jugular veins & precordium--supine slightly elevated -> will see distention/pooling if heart not ready
Ensure privacy
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Equipment For Carotid Artery Assessment
Marking pen
Small centimeter ruler
Stethoscope Alcohol Wipe
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What is a wave?
a mirror or picture of vascular blood flow
can be arterial or venous
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Arterial waves
waves are active
takes force from cardiac contraction to push blood around
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Venous waves
waves are passive
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Will you always see active arterial waves?
does not matter what's happening in the body you will always see active arterial waves
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Is arterial blood flow affected by breathing?
blood flow is dominant and not affected by breathing
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Is venous blood flow affected by breathing?
blood flow can be interrupted by respirations
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What causes heart sounds?
valves closing
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Is the carotid medial or lateral to the sternomastoid muscle?
medial
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Palpating Carotid Artery
avoid excessive pressure on the carotid sinus higher in the. neck
palpate medial to the sternal muscle
one carotid artery at a time
note if any thrills (turbulence)
**Normal Strength 2+**
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What may cause thrills?
may be plaque build up
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What is a thrill?
palpable vibration
feels like the throat of a purring cat
signifies turbulent blood flow and usually accompanies loud murmurs
absence of thrill does not necessarily rule out the presence of a murmur
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Carotid Auscultation
Use bell, light pressure
middle aged or older
or show symptoms or sign of CV disease
presence of bruit -> instead of pulsation sound like liquid moving
listen bilaterally
**Ask pt to take deep breath and hold it**
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What is the normal for carotid auscultation?
absence of bruit
normal strength 2+
equal bilaterally
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Jugular Venous Pulse Inspection
Supine (30-45 degree angle)
turn head to side
direct penlight on the neck
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What does JVD stand for?
jugular venous distention
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Which side heart failure is more likely to cause jugular venous distention?
right sided heart failure
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What is the normal for jugular venous pulse inspection?
disappears (drains) when sit up--visible by pulsation only
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What is the abnormal for jugular venous pulse inspection?
increased CVP (central venous pressure)--heart failure
pt sits up and vein is still distended
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Internal Jugular Pulse Location
lower, more lateral, under or behind the sternomastoid muscle
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Carotid Pulse Location
higher and medial to this muscle
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Internal Jugular Pulse Quality
undulant and diffuse, two visible waves per cycle
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Carotid Pulse Quality
brisk and localized, one way per cyycle
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Internal Jugular Pulse Respiration
varies with respiration; its level descends during inspiration when intrathoracic pressure is decreased
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Carotid Pulse Respiration
does not vary
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Internal Jugular Pulse Palpable
No
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Carotid Pulse Palpable
Yes
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Internal Jugular Pulse Pressure
light pressure at the base of the neck easily obliterates
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Carotid Pulse Pressure
no change
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Internal Jugular Pulse Position of person
level of pulse drops and disappears as the person is brought to a sitting position
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Carotid Pulse Position of person
Unaffected
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Atrioventricular (AV) valves
Tricuspid (right)
Mitral (left)
allow to go from atria to ventricle
closure makes S1 sound
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Semilunar Valves
Pulmonic (right)
Aortic (left)
closure makes S2 sound
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What do valves respond to?
pressure gradients
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AV valves allow blood into heart chambers
open during filling (diastole)
close during ejection (systole)
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SL valves allow blood to enter lungs/periphery
open during ejection (systole)
push closed to push blood to lungs and body
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Diastole
ventricles relaxed and filling with blood
2/3 of cycle
takes longer to fill something than squeeze
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Systole
ventricle contract (ejection)
blood pumped from ventricles fills pulmonary and systemic arteries
1/3 of cycle
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Which side of the heart is bigger?
left bigger
right smaller
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Left main coronary artery
run to back of heart
biggest vessel
comes right from aorta
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Precordium
ribs 1-6 = precordial area
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Myocardial Infarction
heart attack
muscle-heart-lack of blood flow
caused by blockage like a clot
causes decreased ejection fraction
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What causes a widowmaker heart attack?
left main occulsion
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Apex of heart
pushing forward towards ribcage
is the point of Maximum Impulse (PMI)
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Precordium Inspection
Apical impulse (PMI)
4th to 5th ICS, at or inside left MCL (depending on age)
use back of hand to displace breast tissue
PMI easier to see in children and with thinner chest walls
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Normal Apical Impulse Adult
Location: occupy 1 interspace; 5th ICS, at or medial to MCL
Size: 1 cm X 2 cm
Amplitude: Short, gentle tap
Duration: Short, first half of systole
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Palpate Across Pericordium
Assess for other pulsations (apex, left sternal border, base)
Palmar aspect of hand
Normal: **No pulsations**
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Cardiac Auscultation
Supine position (30-45 degree angle)
Listen over all areas, first with diaphragm then bell
Listen to one sound at a time
Identify S1 then S2 (happen close enough together sounds the same, any splitting (click noise)
Rate and rhythm, count apical pulse
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How long do you always auscultate apical pulse?
60 seconds
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Auscultation method
over all areas
S1-loudest at apex, coincides with carotid artery pulse
S2-loudest at base
Note any splitting--might occur at end of inspiration T-DUP
Any murmurs
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Auscultation order
APE to Man
Aortic
Pulmonic
Erb's
Tricuspid
Mitral
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Aortic Valve
2nd Right ICS
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Pulmonic Valve
2nd Left ICS
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Erb's Point
3rd Left ICS
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Tricuspid Valve
left lower sternal border (4th-5th ICS)
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Mitral Vavle
5th ICS, left MCL (Apex)
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Cardiac Cycle
Rhythmic flow of blood through the heart is cardiac cycle
two phases: diastole and systole
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Diastole Cycle
ventricle relaxed and AV valves (tricuspid and mitral) are open
pressure in atria higher than in ventricles so blood pours rapidly into ventricles
toward end of diastole, atria contract and push last amount of blood into ventricles (Atrial Kick)
Note that atrial systole occurs DURING ventricular diastole
76
Systole Cycle
ventricular pressure becomes higher than that in atria, so mitral and tricuspid valves close
closure of AV valves contributes to first heart sound (S1) and signals beginning of systole
for a very brief moment, all four valves are closed and ventricular walls contract -> isometric contraction
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What does a faster heart rate result in?
less cardiac output
not as much volume getting pumped out with a faster heart rate
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Preload (volume)
ventricular stretch prior to next contraction
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Afterload (pressure
amount of resistance ventricles overcome
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Contractility
strength of myocardial muscle fiber
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Cardiac Output
amount of blood pumped through the circulatory system in 1 minute
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Stroke Volume
amount of blood ejected with each contraction
83
What is the purpose of cardiac valves?
prevent backflow
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What does unidirectional mean with cardiac valves?
only open one way
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What does passive mean with cardiac valves?
respond to extreme pressures (open/close)
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S1
closing of Mitral and Tricuspid valves
heard best at Apex of Heart
marks start of systole
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S2
closing of semilunar valves
signals end of systole
heard best at base of Heart
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Splitting of S2
splitting occurs when Aortic valve closes earlier than Pulmonic Valve
Effect of Inspiration
sometimes not pathogenic
89
Extra Sounds S3/S4
use the bell
over all areas
assess for S3 and S4 sounds
roll to left side
any low-pitched murmurs
90
Acute MI
sudden lack of blood flow and blocked coronary artery(s)
caused by:
plaque
clot
spasm
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What are the signs and symptoms of acute MI?
chest pain
shortness of breath
nausea/vomiting
sweating
fatigue
indigestion
dizziness
restlessness/apprehension
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Why does acute MI cause nausea/vomiting?
decreased blood flow to the gut causes nausea
93
How much blood does the body typically circulate?
4-6 liters
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