Chapter 3 - 4A PLAX

Freak with a Q

100

This is the frequency needed for small adult echo. 

5 MHz

200

This is the Adult TTE frequency range. 

2-5 MHz

300

This is the frequency used by pediatric TTE. 

5-12 MHz 

400

This is lower with higher frequency transducer. 

depth penetration 

500

Neonates are typically scanned with this frequency transducer. 

7 MHz

Scan it girl

100

PSLAX notch is facing this way. 

Patient's Right Shoulder 

200

PSAX TD faces this way. 

90 degrees from PLAX - toward left shoulder 

300

This moves the TD across the skin

slide 

400

Maintains a stationary position while rotating the TD indicator to a new plane.  

Rotate

500

Sunken Sternum 

Pectus Excavatum 

Anatomy

100

Most anterior chamber in PLAX 

RV

200

AV cusps seen in PLAX.  

RCC/NCC

300

The three valves seen in PSAX. 

AV, TV, PV 

400

Area where the aortic root meets the ascending aorta.  

Sinotubal Junction 

500

When the leaflets of the mitral valve bulge into the LA. 

MVP - Mitral Valve Prolapse 

Measure This

100

The golden number for LVOT measurement 

2 cm 

200

The golden measurement for Sinus of Valsalva 

3 cm 

300

Female IVS wall thickness numbers 

0.6 cm - 0.9 cm 

400

Measurement of how much blood is pumped out of the LV chamber per contraction of heartbeat.

LVEF - Left ventricular ejection fraction 

500

Three PLAX measurements of the Ao areas in diastole

Sinus of Valsalva, Sinotubal Junction, Ascending Ao 

Misc.

100

Position of patient for PLAX

Left Lateral Decubitus 

200

Patient position for subcostal view

supine/flat 

300

When we measure LVOT 

peak systole 

400

HPRF is a form of this spectral doppler.  

PW

500

Depth for PLAX first image

20-22 cm