Wk 2 Quiz 2 Valvular Disease Flag Questions Flashcards
Murmur Intensity
Grade I
barely audible
Murmur Intensity
Grade II
faintly heard
louder
Murmur Intensity
Grade III
moderately loud but not accompanied by thrill
Murmur Intensity
Grade IV
loud and can be heard on either side of the chest.
Murmur Intensity
Grade V
very loud ( can be heard with a stethoscope)
Murmur Intensity
Grade VI
loud with a thrill
like grade V murmurs, are very loud and can be felt through the chest wall, and are the most severe of the heart murmurs
Crescendo-decrescendo murmur
murmur-begins softly, become louder,
and then decreases in intensity
***Systolic murmur, heard best at apex, radiates to L axilla
MR
Diastolic murmur
usually heard at apex but faint
Decrescendo, low rumbling murmur
MS
Heard is 2nd to 4th left interspaces
Blowing decrescendo murmur may be mistaken for breath sounds
AR
R second intercostal
Harsh crescendo, decrescendo murmur
Radiates to the carotids, down the left sternal border, even to the apex
AS
Causes of Early systolic murmurs:
- Small VSD
- Large VSD with Pulmonary HTN
- Severe acute or tricuspid regurgitation
Causes of Systolic ejection murmurs:
AS/PS
Increased rate of ejection (heart block, fever, anemia, exercise, thyrotoxicosis, and sometimes heard in normal individuals)
***Causes of Pansystolic (holosystolic) murmurs:
- MR or TR
- VSDs
- Aortopulmonary shunts
*holosystolic/pansystolic: lasting throughout the systole of a heartbeat
Causes of Early diastolic murmurs:
AR/PR
***produced by the forward flow of blood through the atrioventricular valves (mid-diastolic and late-diastolic murmurs)
MS
TS
LA myxoma
large L to R shunt
MR (increased flow)
***The most frequent complication of myxomatous valvular disease is the ________
mitral valve prolapse (MVP)
*note:
Common risk factors in the development of Myxomatous degeneration are Connective tissue disorders like Marfan’s Syndrome, Ehlers-Danlos syndrome, and other conditions with collagen abnormalities
Which valve is affected in Marfan syndrome?
Cardiac manifestations of Marfan syndrome include aortic root dilation and mitral valve prolapse (MVP)
What heart condition is associated with Turner’s syndrome?
The risk of congenital heart defects such as bicuspid aortic valves, aortic coarctation, other valve abnormalities, and septal defect is increased.
Turner syndrome, a condition that affects only females, results when one of the X chromosomes (sex chromosomes) is missing or partially missing. Turner syndrome can cause a variety of medical and developmental problems, including short height, failure of the ovaries to develop and heart defects.
Causes of continuous murmurs: result from blood flow constantly moving from a high-
pressure area to a low-pressure area.
- PDA
- Systemic arteriovenous fistula
- Coronary artery from the pulmonary artery
- Communications between the sinus of Valsalva and the right side of the heart
Valsalva Maneuvers: Most murmurs _____ during the strain
phase of the Valsalva maneuver except _________ and _____
decrease
hypertrophic obstructive cardiomyopathy
mitral valve prolapse
Isometric Handgrip: Sustained isometric handgrip increases
peripheral resistance, blood pressure, heart rate and cardiac
output.
The handgrip ______ the left heart murmurs of ___
___, ____.
The murmurs of ___ & ____ and
__________ will be reduced with sustained
isometric handgrip.
increases
MR/AR/VSD
AS/PS
hypertrophic cardiomyopathy
Amyl Nitrite: Amyl nitrite is a fast acting vasodilator. The
inhalation of amyl nitrite will initially decrease venous return and blood pressure.
It increases: (4)
It decreases: (3)
Increase:
- hypertrophic obstructive cardiomyopathy murmur
- MVP
- MS/TS (forward flow murmurs)
Decreases:
- MR, AR, VSD
Loud S1 with opening snap
Low pitch, rumbling, crescendo-decrescendo murmur
MS
*with MR - holosystolic murmur
High pitch Blowing Pansystolic (holosystolic) murmur (chronic)
MR
severe AS
AVA ?
<1.0cm (<0.75cm)
critical AS
AVA ?
<0.6 or 0.5cm
another name for severe AR?
Austin-Flint murmur
severe AR murmur best heard at ?
apex
in the 5th intercostal space at the midclavicular line
Diastolic mitral regurgitation is associated with:
A. Flail mitral valve
B. Mitral valve prolapse
C. Severe aortic insufficiency
D. Severe tricuspid regurgitation
C. Severe aortic insufficiency
A heart sound associated with significant chronic pure mitral regurgitation is:
A. Loud S1
B. Fixed split S2
C. S3
D. S4
C. S3
Results from increased atrial pressure leading to increased flow rates
Fixed split S2 indictes
ASD
clinical signs of significant AS
- murmur
- angina pectoris
- Feeling faint or dizzy or fainting with activity
- SOB, DOE
- Fatigue, especially during times of increased activity
- palpitations
Chronic mitral regurgitation results in all the following EXCEPT:
A. Left atrial enlargement
B. Left ventricular enlargement
C. Left ventricular volume overload pattern
D. Mitral annular calcification
D. Mitral annular calcification
Possible etiologies for mitral regurgitation include all the following EXCEPT:
A. Mitral annulus calcification
B. Mitral valve endocarditis
C. Papillary muscle dysfunction
D. Pulmonary hypertension
D. Pulmonary hypertension