Exam Stuff Flashcards

1
Q

How do you work out the weight of a child?

A

(Age +4) x 2

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2
Q

How many ml of air is required to inflate a cuffed ET in adults?

A

10ml

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3
Q

Endotracheal tube inner diameter paeds formula?

A

(for all children >1 year) =
(Age/4) + 4 mm

(for Croup or subglottic stenosis use 0.5 to 1 size smaller than above)

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4
Q

Endotracheal tube length at lip - paeds?

A

12 + (age/2) (cm)

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5
Q

Endotracheal tube length at nostril - paeds?

A

15 + age/2 (cm)

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6
Q

What is seen on HOCM ECG?

A

Signs of LV hypertrophy: left axis deviation, big R waves etc.
? Inverted T waves

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7
Q

What is seen on ARM ECG?

A

Epstein waves

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8
Q

Confirm HOCM on echo

A

Greater than 15 mm in or more segments, non-dilatory.

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9
Q

MOI magnesium?

A

Prevents calcium entry into cells -> preventing early after depolarisation -> reduces time for R on T phenomenon in torsades des points

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10
Q

How do you work out the QTc interval?

A

QTc = QT/root(RxR)

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11
Q

If bradycardia either has no adverse signs associated or resolves, what do you look for when assessing whether pacing is required?

A

Are they at risk or entering into asystole?

  1. Complete heart block with broad QRS
  2. Mobitz type II AV block
  3. Recent asystole
  4. Ventricular pause over 3 seconds.
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12
Q

Et tube size?

A

women - 7

men - 8

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13
Q

ET tube depth?

A

women - 22

men - 23

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14
Q

End tidal CO2 - normal range?

A

4-5.7 kPa or

35-40mmHg

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15
Q

ROSC - Utstein definition?

A

Greater than 60 mmHg for more than 10 minutes

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16
Q

MAP equation?

A

DBP + 1/3 PP