Cardiac And Peripheral Flashcards
(33 cards)
Preload
Measures volume overload
Contractility
Ventricles contract during systole
Afterload
Measures of pressure overload
Cardiac output
Stroke volume x HR
Systole
S1 into S2
The ventricles contract- shorter phase
- right ventricle pumps blood into the pulmonary arteries (pulmonic valve is open _
- left ventricle pumps blood into the aorta (aortic valve is open)
Diastole
The ventricles relax - longer phase
- blood flows from the right atrium to right ventricle (tricuspid valve open)
- blood flows from the left atrium to left ventricle ( mitral valve is open)
S2 into S1
Physical exam components
Inspect, palpate, auscultate
No percuss
Xanthelasma
Yellow plaques on the inner parts on the eye
- indication of CAD
Carotid pulse - palpating
Upstroke
Brisk = normal
Delayed= aortic stenosis
Bounding = aortic insufficiency
Thorax - palpation
Right hand across pt left chest - covering the area of the heart
- heel of hand rest along the eternal border with extended fingers lying below the left nipple
Heel - listen for thrills = turbulent blood flow
Finger pads - lifts, pulsation and heaves - enlarged ventricle or atrium
Auscultation
The diaphragm = high pitched sounds like s1, S2, and s4 and most murmurs
Bell = low pitched sounds like s3, the rumble of mitral stenosis
Normal sounds
S1 = LUB - closure of tricuspid and mitral valve
S2= DUB - closure of aortic and pulmonic valve
Abnormal sounds
S3 and S4 = ventricular filling
Murmurs - turbulent blood flow
Listening areas
Aortic - 2nd ICS RSB
- S2 louder than S1
Pulmonic - 2nf ICS LSB
- S2 louder than S1
Tricuspid - 4th or 5th ICS LSB
- S1 louder than S2
Mitral - 5ht ICS MCL
- S1 louder than S2
S3 “ what is it “
An “extra” sound that occurs early in diastole - called a “ventricular gallop”
- normal in children and athletes
- heard best at the apex with bell
- related too
- decreased myocardial contractility
- HF
- Volume overloading of ventricle
- mitral regurgitation / tricuspid regurgitation
S4 “ what is it”
An extra sound that occurs LATE in diastole - called atrial gallop
- due to increased resistance to ventricular filling
- related to increased stiffness of ventricular myocardium
- associated with
- HTN, CAD, Pulmonary HTN, pulmonic stenosis
S3 and S4 - abnormal sounds
Both = summation gallop = myocardial disease
Ejection Sounds
- Aortic and Pulmonic
Aortic ejection
- shortly after S1
- due to dilated aorta or aortic valve disease
Pulmonic ejection
- shortly after s1
- intensity often decreases w/ inspiration
- heard best 2nd and third ICS
Ejection sounds
Systolic clicks
- usually mid to late systole
- usually caused by mitral valve prolapse
- usually single, followed by a murmur
Ejection sounds
- opening snap
Occurs early in diastole
- produced by the opening of a stenosis or narrowed mitral valve
Murmurs
Sounds that occur during systole or diastole as a result of turbulent blood flow
Can be
- innocent
- physiologic
- high flow through a normal valve due to temporary increase in the blood flow
- pathologic
- structural abnormalities
Murmur categorized as
Regurgitant Or insufficient - blood leaking across a valve that is suppose to be closed
Stenosis
- blood flow across valve is disrupted due to valve not fully opened
How to describe murmurs
Timing- systolic or diastolic
Location of maximal intensity - where heard best
Radiation - does it spread, where
Intensity- loudness, graded 1- VI
Pitch - high or low pitched
Quality - blowing, rumbling, musical, harsh
Intensity grades
Grade 1 to VI
Grade 1 : barely audible
Grade VI : may be heard with Steph entirely off chest