How to echo Flashcards

1
Q

What equipment do we ned for echocardiography? (3)

A
  • Cut out table
  • Chair / stool

–correct height so you are comfortable!

•Correct probe choice for your patient

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2
Q

What 3 things are involved in the prep?

A

•Clipping

–Apex beat on both sides

–Midline in the most cranial abdomen

  • Spirit
  • Gel
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3
Q

What probe size do we use for:

  1. Cats/small dog
  2. Medium dog
  3. Large dog
A
  1. 7.5
  2. 5
  3. 2.5-3.5
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4
Q

What view is this?

A

Right parasternal long axis 4 chamber

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5
Q

What view?

A

Right parasternal long axis views

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6
Q

What view?

A

Right parasternal long axis (RPLA)
4 chamber view

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7
Q

Where do we go from the RPLA? Like how do we move to get the next view

A
  • rotate the probe anticlockwise 20 degrees
  • lift the wrist so the probe is angled more cranially
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8
Q

What view and what does the arrow show?

A

Right parasternal LA 5 chamber view

(aorta)

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9
Q

What is involved in the subjective assessment of the RPLA? (3)

A

–movement ventricles

–chamber dimensions

–valve morphology and motion

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10
Q

What is involved in the quantitative assessment of the RPLA? (2)

A

–left atrium diameter

–left ventricle

  • wall thickness
  • diameter / volume
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11
Q

What does this show?

A

LA size

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12
Q

What does this show?

A

LV dimensions

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13
Q

How do we get to the RSPA from RPLA?

A

From RPLA 4 chamber view turn thumb to bum and turn the probe 90o.

Tilt probe +/- slide probe up chest wall as necessary.

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14
Q

What view?

A

Right parasternal short axis views

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15
Q

What view is this and at what level?

A

Right parasternal short axis view
LV @ pap mm level

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16
Q

What view is this and at what level?

A

Right parasternal short axis @ chorda tendinae

17
Q

What view and level is this?

A

Right parasternal short axis @ chorda tendinae

18
Q

What view and level is this?

A

Right parasternal short axis @ mitral valve

19
Q

What view and level is this?

A

Right parasternal short axis @ mitral valve

20
Q

What view of this?

A

Right parasternal short axis views

21
Q

What view and level is this?

A

Right parasternal short axis @ aortic valve

22
Q

What view and level is this?

A

Right parasternal short axis @ aortic valve

23
Q

Right parasternal short axis views

What do we subjectively assess? (3)

A

–movement ventricles

–chamber dimensions

–valve morphology and motion

24
Q

Right parasternal short axis views

What do we quantitavely assess? (4)

A

–Left atrium diameter

–Aorta diameter

–Pulmonary artery diameter

–M-mode

  • EPSS
  • LV
25
What is the issue?
LA is big
26
What does M mode tell us?
What is happening along this line with time!
27
What is this?
M-Mode from RPSA view
28
Which modes can we make measurements in? (3)
•2DE, MM and Doppler studies
29
What should the LV:LA be in the RPLA view?
1:1
30
Which mode do we use in dogs and cats for measuring chamber size? What increases the accuracy?
* Usually use M-mode in dogs * In cats 2DE sometimes better due to asymmetric hypertrophy * If can’t get a good MM then using 2DE imaging is better than poor M-mode * An ECG makes measuring more accurate
31
How do you measure using M mode? Where should the cursor be?
* Always start from a right parasternal long axis view with a horizontal IVS * Turn 90 degrees ‘thumb to bum’ * Ensure the LV is ROUND * Ensure that the cursor is exactly in between the papillary muscles i.e. Transecting the LV into two equal halves
32
What % of dogs lie outside of measurement reference ranges?
5%
33
What can cause artefacts? (4)
* Usually poor contact * Side-lobe artefact * Reverberation artefact = mirror image * Breathing