Murmurs Flashcards
Most common kind of heart murmur?
Midsystolic murmur
Types of mid systolic murmurs?
innocent (stills)
physiologic
pathologic
Types of Mid-systolic - pathologic types?
Aortic stenosis
pulmonary stenosis
HOCM
Innocent murmur?
benign children 2-4 ICS between LSB and apex grade 1-2 decrease or absent with sitting
Physiologic Murmurs?
similar to innocent
increased flow
Physiologic Murmur causes?
anemia
pregnancy
fever
hyperthyroidism
Aortic stenosis path?
Degenerative calcification or congenital or rheumatic ( aortic leaflets
Valve stiffens, opening narrows
Right 2nd ICS
S2 may decrease
Thrill
Aortic stenosis radiates to?
carotid
Aortic stenosis character and shape?
Harsh, crescendo-decrescendo
Aortic Stenosis heard best when?
patient is sitting and leaning forward - bring aorta valve closer to the chest
Aortic Stenosis valsalva ?
↑with squatting, ↓ with standing
Pulmonic Stenosis patho?
Congenital, usually found in children
Early – pulmonic ejection sound
Severe – S2 splits, often widely - cause it is affecting the right side of the heart (inspiration affect right side of the heart)
May lead to RV failure
If loud, may have a thrill
Pulmonic Stenosis radiates to?
toward left shoulder or neck
Pulmonic stenosis character and shape?
Harsh quality
Crescendo-decrescendo
Pulmonic stenosis location?
2nd and 3rd left interspaces
HOCM path?
Massive ventricular hypertrophy
Sustained apical impulse
HOCM location?
3rd and 4th left interspaces
May have S3 and S4 at apex
HOCM radiates?
down LSB to apex
HOCM character?
Harsh
HOCM valsalva ?
Decreased with squatting
Increased with standing and Valsalva strain
Squatting _________ venous return to the heart, _________ PVR and vol in LV _________.
increases
increases
increases
Standing _________ venous return to the heart, _________ PVR and vol in LV _________.
decreases
decreases
decreases
Midsystolic Click?
Mitral Valve Prolapse
AKA Barlow’s syndrome
Mitral Valve Prolapse patho?
Leaflet redundancy and elongation of chordae tendinae
Part of valve balloons into left atrium, allows backflow of blood
Common, M=F
May be associated with a MR murmur
Mitral Valve Prolapse pitch and shape?
high pitch
crescendo
Mitral Valve Prolapse valsalva?
Squatting widens (delays) the click
Pansystolic Murmurs ( Holosystolic)?
Mitral Regurgitation
Tricuspid Regurgitation
Ventricular Septal Defect
Mitral Regurgitation patho?
Mitral valve does not fully close in systole
Back flow of blood from LV to LA
Creates volume overload on LV with subsequent dilation
Mitral Regurgitation may develop __ at apex?
S3
Mitral Regurgitation radiates to?
to left axilla