Summary
Summary Heart sounds
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I have summarised all the heart sounds their pattern etc and pathologies in which they increase or decrease
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He a rt s o undsSz :
-
Dlt mis contract
"
& closure
of mitral & tricuspid values .
52, : -
Dlt closure of Aortic
&
Pulmonary valve . .
In Phono vibrations ÷
cardiogram S1 has 2
"
1ˢᵗ uibratn dltmls contract
mainly
:
]
-
mys contract Honashuru Hotin & it lead to
2nd uibsratn : -
MV & TV closure .
Closure of valve
The end of systole is marked
by closure
&
of aortic pulmonary .
Systole diastole .
S1 SL
S2
- -
☆
☆ 51,52 53,54
in systole in diastole .
tub -_ Si dub 52
↓
to
Boarder sharper in
phonogram .
, Iectifiga.su
19 µs
}
52 51
51
.
.
.
-
Beginning of V. systole
-
Beginning of diastole
-
closure of TV & MU
0ft Aortic &
Closure
Pulmonary valve§
-
. .
The current in the
-
ventricles Begin
to spread when QR§ -
Additional sounds in systole .
starts in ECG . .
sz & Sy time ④ in
☆ ÷ are some diastolic phase .
Roughly about 40 -50m$
-
. .
Later after the QR§ low pitched ÷ Heard in
og
.
very
a
V' mis starts localised area
'
the
contracting causing the c-
"
"
1ˢᵗ vibratn BELL
Of St then values
close
of damaged value
☆
opening snap : opening
I
-
.
MV / TV . .
2nd HIS
causing
.
-
Additional sound in systole :
-
"
☆
Eject click : -
opening of damaged .
value .
Aortic / P valve .
. .
, S1 '
.
÷
-
dit closure of
Best Heard at apex
mitral
. .
& tricuspid valves . .
I
diapnargm a§ High pitch . .
kyuki 71 ton
Santi Nhi
•
My > 71 .
. .
-
[ i. Tricuspid closure
single Heard
'
.
is too faint to
hear ]
m
me
has 2 vibrations .
1ˢᵗ vibrator ÷
Comparatively Le #
Frequency -
Dit left ventricular mis contract? .
2nd uibsatn :
high frequency
-
.
Dlt closure of MV & TV . .
51 after 40 -50M$ after QRX
current starts
spreading
when current is enough
contract amtot
to
enough
mtsto Shut the valve . .
The QR§ the ventricle latter
# spreads over 40 -
50m11s just
start to C 1° uibrath ]
contract
Producing .
# Blood Pinv A
keeps on
moving from A to V once the > .
Closes 2ⁿᵈ uibratnot
MV producing Ss .
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