1.8-2.1 cm
what is the purpose of the TGC's?
allows selective amplification of reflections displayed on the image
A patient has MVP with moderate MR. How do you classify the MR?
primary
The most common cardiomyopathy is:
dilated CMO
how can you detect a PFO or another ASD?
bubble study
If a patient is said to have severe concentric LVH, what is the measurement of the walls going to be greater than?
1.6 cm or greater
what is the doppler shift?
mathmatical difference between the transmitted frequency and received frequency
If a patient has severe Mitral stenosis, what is the mean pressure gradient?
greater than 10 mmHg
2 ways to treat hypertrophic cardiomyopathy are:
alcohol septal ablation
surgical septal myectomy
a PDA is a congenital hole between what?
the Aorta and PA
A normal fractional area change is greater than what percentage?
greater than 35%
the deeper the structure being evaluated, what happens to the PRF (pulse repetition frequency) and frame rate?
deeper the structure ---> LOWER PRF and FRAME RATE
A patient came in for their one month TAVR follow up appointment. What do you call it when you see the valve rocking?
dehiscence
ASH is classified as the ratio of
1.3/1
what forms the MV and TV during fetal development?
the endocardial cushions
what is the range for a moderately dilated left atrium volume?
42-48 mL/m^2
what is the nyquist limit
indicates highest velocity that can be displayed without aliasing
ross procedure
when using M mode on a patient with HCMO, what do you usually see with the MV?
what are the 4 defects you see with tetralogy of fallot?
1) pulmonic stenosis (most common= subvalvular)
2) RVH
3) overriding, large aorta
4) malalignment of VSD
(PROM)
The vena contracta for severe aortic regurgitation should be greater than or equal to what value?
>= 6 mm
what is lateral resolution
type of spatial resolution
ability to resolve two separate structures that lie perpendicular to the beam
severe pulmonary hypertension is calculted and defined as
severe>= 70 mmHg
PHTN= 4v^2 +RAP
The biggest difference between restrictive CMO and constrictive pericarditis is
restrictive CMO large E small A with no respiratory variation
CP large E small A with respiratory variation
what is an aortic coarctation most commonly associated with?
a bicuspid AOV