Shared Flashcard Set

Details

Heart Sounds 1
PE Skills
56
Medical
Graduate
10/21/2010

Additional Medical Flashcards

 


 

Cards

Term
characteristics of sound
Definition
loudness
timing
duration
pitch
description
location
Term
High-pitched sounds are best heard with the...
Definition
diaphragm
Term
Low-pitched sounds are best heard with the...
Definition
bell
Term
What causes the heart sounds?
Definition
vibrations that result from the stoppage of blood against closed valves and the walls of the heart
Term
Blood hitting the walls of the heart and vessels causes them to ______.
Definition
vibrate
Term
Murmurs are caused by...
Definition
turbulence of the blood flowing through the valve
Term
First and second heart sounds correspond to...
Definition
closure of the valves
Term
Vibrations associated with valve closure are best heard...
Definition
reflecting back from the valve area
Term
Vibrations of turbulence are usually heard best...
Definition
where the blood flows to
Term
The first heart sound corresponds to the closure of the _______ and _______ valves.
Definition
mitral, tricuspid
Term
S1=____+____
Definition
M1+T1
(1st sound of mitral valve + 1st sound of tricuspid valve)
Term
The second heart sound corresponds to closure of the _______ and ________ valves.
Definition
aortic, pulmonic
Term
S2=___+___
Definition
A2+P2
(2nd sound of aortic valve + 2nd sound of pulmonic valve)
Term
Third and fourth heart sounds correspond to...
Definition
blood entering and striking against the walls of the ventricles
Term
Third and fourth heart sounds are NOT caused by....
Definition
valves closing
Term
Third and fourth heart sounds are both _____.
Definition
diastolic
Term
S3=
Definition
atrial emptying
Term
S4=
Definition
atrial kick
Term
When does S3 occur?
Definition
immediately after S2
Term
When does S4 occur?
Definition
immediately prior to S1 and systole
Term
When auscultating, you need to listen with the _____ and the _________.
Definition
bell and diaphragm
Term
five areas of ausculation
Definition
aortic
pulmonic
2nd pulmonic
tricuspid
mitral
Term
Describe the first heart sound in terms of pitch and duration.
Definition
high-pitched and short duration
Term
The first heart sound is typically heard best at _______.
Definition
apex
Term
The first heart sound is typically louder than the second heart sound at ______.
Definition
apex
Term
Describe the second heart sound in terms of pitch and duration.
Definition
high-pitched and short duration
Term
The second heart sound is heard best at ______.
Definition
base
Term
The second heart sound is typically louder than the first heart sound at ______.
Definition
base
Term
What are the three ways to determine the first heart sound from the second?
Definition
1. duration of time between S1 and S2
2. loudness (S1 at apex, S2 at base)
3. palpate carotid pulse while auscultating (pulse corresponds with S1)
Term
What two things need to be considered when you hear a split of S1?
Definition
1. heart disease
2. noisy opening of a valve may be confused with splitting of S1
Term
Physiologic splitting of S2 is related to pressure changes that occur during __________.
Definition
inspiration
Term
What sounds are actually being heard in a split S2?
Definition
delayed closure of P2 compared to A2
Term
Splitting of S2 during inspiration is ________ _______; whereas splitting of S2 during expiration is ________ _______.
Definition
physiologic splitting (normal); paradoxical splitting
Term
Splitting of S2 is best heard at...
Definition
2-4 LICS
Term
What conditions need to be considered when paradoxical splitting of S2 is heard?
Definition
conduction defects
pulmonary hypertension
Term
Splitting of S2 during both inspiration and expiration is called _______ _______.
Definition
persistent splitting
Term
What condition needs to be considered when persistent splitting of S2 is heard?
Definition
conduction defects
Term
What is another term for third and fourth heart sounds?
Definition
gallops
Term
When does S3 occur?
Definition
just after S2
Term
What causes the S3 sound?
Definition
filling of the ventricles with blood
Term
Where is the third heart sound heard best?
Definition
apex
Term
Describe the third heart sound.
Definition
short duration
low-pitched
dull, thud-like quality
Term
What conditions need to be considered with an S3?
Definition
heart disease (always this until you prove it wrong)
stiff/non-compliant ventricular wall
Term
The intensity of S3 varies according to ________.
Definition
etiology
Term
If no cardiovascular disease is present, S3 can be a _____ finding.
Definition
normal
Term
When does S4 occur?
Definition
just before S1
Term
What causes the S4 sound?
Definition
atrial kick
Term
S4 is heard best at _____.
Definition
apex
Term
Describe the fourth heart sound.
Definition
short duration
low-pitched
-dull, thud-like quality
Term
S4 is almost always associated with _________.
Definition
disease

non-compliant ventricular wall
consider HTN, CHF, CAD, others
intensity varies with etiology
Term
What is the fourth heart sound often confused with?
Definition
split S1 or opening snap
Term
Split S1 is ________-pitched than S4.
Definition
higher
Term
Opening snap is ______-pitched than S4.
Definition
higher
Term
What sounds are heard in a gallop rhythm?
Definition
S1, S2, S3, S4
Term
A gallop is always considered ___________.
Definition
abnormal
Term
A patient with a gallop needs to be evaluated for _________.
Definition
heart disease
Supporting users have an ad free experience!