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PCM Final > Cardiovascular Exam > Flashcards

Cardiovascular Exam Flashcards

1
Q

What are the AV valves?

A

Tricuspid

Mitral

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2
Q

What are the semilunar valves?

A

Aortic

Pulmonic

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3
Q

What are the locations of sounds on PR to help identify valve or chamber origin?

A
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4
Q

Which is louder, semilunar or AV valves?

A

Semilunar

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5
Q

What is heard well in the 2nd right interspace?

A

aortic area

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6
Q

What is heard well in the 2nd left interspace?

A

pulmonic area

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7
Q

What area is well heard from the lower left sternal border?

A

The tricuspid area

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8
Q

What is the area best heard from the apex?

A

Mitral Area

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9
Q

Diastole =

A

relaxation of ventricles (filling) first, then final 1/3 is atrial contraction

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10
Q

Lub is ___. Whis is the closure of what valves?

A

S1

Left side - mitral valve

Right side - tricuspid valve

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11
Q

Compare the mitral and tricuspid closure sounds

A

oMitral
§Louder
§Location: apex2.Right side

oTricuspid
§Softer
§Location: LLSB

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12
Q

S2 is ____. Is due to closure of what valves?

A

Dub

Aortic (A2)

Pulmonic (P2)

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13
Q

May hear splitting with which sound?

A

typically S2 (may occasionally hear with S1 per lecture slides)

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14
Q

Compare S2 aortic and pulmonic valve sounds

A

1.Left side
oAortic (A2)
§Louder
§Heard best R 2nd ICS

2.Right side
oPulmonic (P2)
§Softer
§Heard best L 2nd ICS

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15
Q

In what populations might you hear an S3?

A

Child/young adult

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16
Q

Who might you hear an “S3 gallop”?

A

Older adult

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17
Q

S3 comes directly after….

A

S2

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18
Q

S4 comes directly before…

A

S1

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19
Q

S4, (atrial gallop) marks ____ and is…

A

Atrial contraction

Always pathological

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20
Q

What is the duration of murmurs?

A

Longer duration that heart sounds

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21
Q

What are the two types of valvular pathology we covered?

A

Stenotic

Regurgitant/insufficiency

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22
Q

Describe stenotic murmur

what is an example?

A
  • Narrowing of valvular orifice
  • Example: aortic stenosis
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23
Q

Describe regurgitant/insufficiency murmurs

What is an example?

A
  • Fails to close fully allows blood to leak back
  • Example: aortic regurgitation
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24
Q

How should we describe murmurs?

(7 things)

A
  1. •Timing: Systolic/diastolic
  2. •Shape: Crescendo, decrescendo, etc.
  3. •Location: Heard best where?
  4. •Radiation: hear murmur other places (carotids, axilla, etc)
  5. •Intensity: Grade-6 point scale
  6. •Pitch: High, medium or low
  7. •Quality: Blowing, harsh, rumbling, musical, etc.
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25
Q

Describe murmur grading

A
  • 1: very faint, heard only after listener “tuned-in”
  • 2: quiet but immediately heard with stethoscope on chest
  • 3: moderately loud
  • 4: loud with palpable thrill
  • 5: very loud with thrill may be heard with stethoscope partially off chest
  • 6: very loud with thrill, may be heard with stethoscope entirely off chest
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26
Q

What is a grade 4 murmur?

A

•4: loud with palpable thrill

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27
Q

Grade 5 murmur?

A

•5: very loud with thrill may be heard with stethoscope partially off chest

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28
Q

Grade 3 murmur?

A

•3: moderately loud

29
Q

Grade 1 murmur?

A

•1: very faint, heard only after listener “tuned-in”

30
Q

Grade 2 murmur?

A

•2: quiet but immediately heard with stethoscope on chest

31
Q

Grade 6 murmur?

A

•6: very loud with thrill, may be heard with stethoscope entirely off chest

32
Q

What is a palpable thrill?

A

Murmur that can be palpated

33
Q

What is the sequence of exam we should proceed through?

A
  1. •Inspection
  2. •Palpation
  3. •Auscultation
34
Q

What should we look for on inspection?

A

oChest shape
oObserve for chest wall motion (heaves or lifts)
oObserve skin color, nails, face, mouth, and extremities

35
Q

What kind of chest wall motions should we inspect for? What are they typically caused by?

A

Heaves/lifts-forceful cardiac contraction causing movement of ribs/sternum
oOften caused by enlarged ventricles/atrium

36
Q

In palpation…
oFor most of cardiac exam patient spine with head of table at…

A

30 degrees and patient on the right

37
Q

What are items to palpate for?

(4)

A
  1. oAnterior chest wall (heaves/lifts/thrills)oApical impulse/PMI
  2. oMay move to left lateral decubitus position to bring apex closer to chest wall
  3. oCarotid pulse
  4. oJugular venous pressure/pulsations
38
Q

What position increases your likliehood of feeling PMI?

A

Lateral Recumbant position

39
Q

Jugular is the most direct route to examine the…

A

right atrium

40
Q

How do you palpate heaves/lift?

A

§Palpate chest wall using hand/finger pads
§Feel movement of heart/ribs into fingers/hand

41
Q

How do you palpate thrills?

A

§Thrills-vibratory sensation on skin from turbulent flow through abnormal valve (loud murmur)
§Use thenar/hypothenar to assess
§Palpate areas where valves are located
–Aortic, pulmonic, tricuspid, mitral

42
Q

Apical pulse/PMI is located at?

A

5th ICS, midclavicular line

43
Q

What is the amplitude of the PMI? What is the duration?

A

oAmplitude is small, brisk & tapping
oDuration through 1st 2/3 of systole; not continue into second heart sound (S2)

44
Q

Palpation-apical impulse/PMI is typically felt with…

A

fingers of hand while

head of table at 30 degrees

45
Q

•Left lateral decubitus position is useful because it… and should be used when PMI is…

A
  • Brings apex closer to chest wall
  • Utilize if not detected supine
46
Q

What does the carotid pulse give information on?

A

•Gives useful information of cardiac function especially detecting aortic valve stenosis/insufficiency.

47
Q

How should one assess the carotid pulse?

A

—Press index & middle finger on right carotid artery in lower third of neck, press posteriorly & feel for pulsations

48
Q

What characteristics of the carotid pulse should we be evaluating?

A

•Amplitude
•Correlates with pulse pressure
–Variation occurs from beat to beat or with respiration

•Contour/speed
–Upstroke-brisk, smooth, rapid, and follows S1 immediately
–Summit-smooth, rounded and mid-systolic
–Downstroke-less abrupt than upstroke

49
Q

How do you palpate for S1/S2, and the carotid?

When do S1 and 2 occur relative to the carotid upstroke?

A

•Palpate for S1/S2
•Right hand on chest wall (3rd/4th/5th ICS) and
•Use firm pressure for S1/S2
•
•Palpate carotid
–Left index & middle fingers on right carotid artery•S1 occurs just before carotid upstroke
•S2 occurs just after carotid upstroke

50
Q

Jugular venous pressure provides clinical index of? and reflects?

What clues can it provide?

A

•Provides clinical index of right heart pressures and cardiac function•Reflects right atrial pressure

•Give clues to:
–Volume status
–R & L ventricular fxn
–Patency of right heart valves
–Pressures in pericardium
–Arrhythmias

51
Q

Which jugular vein is best used to estimate JVP?

A

•Best estimated from right internal jugular vein
○More direct anatomical

channel to right atrium

52
Q

How do you measure JVP? (6 steps)

A
  1. Turn head away from side of inspection.
  2. oRaise or lower head of table until you can see highest point of venous pulsations in lower half of neck
  3. •Find highest point of oscillation•Extend object horizontally from this point and a ruler vertically from sternal angle making a right angle.
  4. •Measure the vertical distance in cm above sternal angle where the horizontal object crosses the ruler. Round to nearest cm.
  5. •RA to sternal angle is always 5 cm above RA (in any position)•Measured distance + 5 cm = JVP
53
Q

What is an abnormal JVP?

A

JVP >9cm above RA is abnormal

54
Q

What can cause increased JVP?

A

–Right sided CHF
–Less common-constrictive pericarditis, tricuspid stenosis, superior vena cava obstruction

55
Q

Elevated JVP is
•98% specific for…

A

… low LV ejection fraction and increases risk of death from heart failure.

56
Q

Identify and describe the JVP waves

A

•A-wave: RA contraction
•
•X-descent: RA relaxation
•
•V-wave: RA filling and inc. pressure
●
•Y descent: RA emptying

57
Q

What abnormalities might lead to a prominent a wave and increased resistance to RA contraction?

A

•Tricuspid stenosis, 1st degree AV bock, SVT, junctional rhythms, pulm. HTN and pulm. stenosis

58
Q

§Absent a waves-in

A

atrial fibrillation

59
Q

Large v waves in

A

tricuspid regurgitation

60
Q

How do you check the hepatojugular reflex?

A
  1. •Patient supine
  2. •Apply firm pressure for 10 seconds over liver while observing for distention of neck veins
  3. •Normal to see transient distension of jugular veins for 2-3 seconds
  4. •If venous distension is higher than normal or lasts longer (usu. 8-10 sec) then abnormal
  5. •Assesses for right ventricular function and elevated pulmonary wedge pressure
61
Q

What are 5 things you auscultate for?

A
  1. oTiming of S1/S2
  2. oEvaluate rate & rhythm
  3. oPhysiological splitting S2
  4. oAbnormal sounds-S3,S4, murmurs, or rubs
  5. oCarotid arteries-bruits
62
Q

What is the diaphagm good for? What is the bell good for?

A
  1. High pitched sounds of S1/S2, certain murmurs
  2. Low pitched sound of S3/S4, bruits/thrills, & certain murmurs
63
Q

What positions may be used to enhance cardiac sounds, particularly murmurs?

A

oSquatting
oStanding
oValsalva strain/release
oHand grip

64
Q

Having a patient lean forward and exhale completely may help you to hear what? Where should you listen, and with what?

A

Using diaphragm listen along left lower sternal border
Optimal to listen for aortic insufficiency

65
Q

oInnocent/physiological heart murmur more often heard in children than adults due to :

A
  1. Thin chest wall in children
  2. More angulated great vessels in children
  3. More dynamic circulation in children
66
Q

What are two examples of innocent murmurs?

A

Stills murmur

Venous hum

67
Q

Describe a venous hum

A
  • Continuous humming, best right upper sternal border
  • Flow of venous blood from head & neck into thorax
  • Continuous while sitting
  • Disappear light pressure over the jugular vein, when the child’s head is turned or when the child is lying supine
68
Q

Describe Still’s murmur

A
  • Mid-systolic, best left lower sternal border
  • Musical quality
  • Louder in supine position

PCM Final (8 decks)

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