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Cavitation is
The creation or vibration of small gas filled bodies by the ultrasound beam. (Tends to
occur only with higher-intensity exposures.
The 6 intensities from highest to lowest are
1.) SPTP 4.) SATP
2.) SPPA 5.) SAPA
3.) SPTA 6.) SATA
What tricuspid valve leaflets are noted in PLAX?
Anterior and medial/septal posterior.
Formula for calculating EF?
EF% = (sv/edv) x 100%
Stroke Volume (SV) formula
EDV - ESV
What is stroke volume (SV)?
Amount of blood pumped out of each ventricle during a single heart beat.
What is the chiari network?
Network of fibers originating from eustachian valve.
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, Where can the chiari network be found
Right atria
What is the most anterior chamber of the heart?
Right ventricle
Which pair of intensities has the lowest value?
SATA (spatial average and temporal average)
Where is the Eustachian valve located ?
In between the IVC and the right atrium.
What's another name for the Right Ventricular Outflow Tract (RVOT) ?
Infundibulum
Where is the coronary sinus located in relation to the descending aorta?
Anterior
The three cusps of the tricuspid valve are?
Anterior
Medial
Posterior
What's the two main layers of the pericardium?
1.) Visceral = lies directly upon external surface of the heart and is commonly referred to
as the epicardium.
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, 2,) Parietal = or fib
rous pericardium is the thick outer sac.
*The pericardial ca
vity lies between these two layers.
What is the normal pressure for the right ventricle ?
25/5 mmHg
What is the normal pressure for the pulmonary artery?
25/10 mmHg
What is the normal pressure for the left atrium?
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, 10mmHg
What is the normal pressure for the aorta ?
120/80 mmHg
What are the two cusps of the mitral valve ?
Anterior (long) and the posterior (short)
When is the left ventricular pressure the lowest?
Early diastole
What is Becks Triad and what does it cause?
AKA cardiac tamponade. Causes an elevated pressure in heart, hypotension and a
quiet heart
What are the effects of pulmonary HTN ?
Dilated pulmonary artery
Severe TR
RV dilation
What happens to the size of an aneurysm during systole?
It increases
In patients with A-Fib which heart sound would be missing ?
Fourth
What is the normal O2 saturation of the left heart ?
98%
What is cardiac output?
It is the total amount of blood ejected per minute.
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