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MAY MEDICINE 1 REVISION > key things for clinical skills > Flashcards

key things for clinical skills Flashcards

1
Q

What is the duration of the normal PR interval ?

A

0.12-0.2 sec

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2
Q

How long is one small box on an ECG paper ?

A

0.04

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3
Q

What is the duration of the normal QRS complex ?

A

< 0.12 secs

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4
Q

What is the duration of the QT interval ?

A

< 0.42 secs

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5
Q

How many little boxes is the PR interval ?

A

3-5

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6
Q

How many little boxes can the QRS complex be ?

A

3 boxes or less

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7
Q

How many little boxes can the QT interval be ?

A

less than 10.5 boxes

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8
Q

What acronym is used to help interpret an ECG ?

A

ARIBAR

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9
Q

What does the A stand for in ARIBAR?

A

Any electrical activity - Is there a flat line or not ?

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10
Q

What does the R stand for in ARIBAR?

A

Rate - What is the HR ?

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11
Q

What does the I stand for in ARIBAR?

A

irregular or regular - Use a strip of paper and mark 3 or 4 QRS complexes and then move the paper and see if there is the same gap between QRS complexes further on

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12
Q

What does the B stand for in ARIBAR?

A

Broad or narrow QRS complexes - Are they more than 3 boxes then they are broad

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13
Q

What does the A stand for in ARIBAR?

A

Atrial activity i.e. are there any P waves ?

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14
Q

What does the R stand for in ARIBAR?

A

Relationship between atrial and ventricular activity

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15
Q

What does broad QRS complexes suggest ?

A

that the depolarisation has begun in the ventricle rather than the SA node i.e. Is every P wave followed by a QRS complex ? and is the PR interval regular ?

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16
Q

What is the PR interval ?

A

Start of P wave to the start of the R wave

17
Q

What is the QT interval ?

A

Start of the Q wave to the end of the T wave

18
Q

What rhythms do I need to be able to identify on a ECG?

A 
Asystole - Flat line
Ventricular fibrillation - Crazy 
Normal sinus rhythm 
Sinus bradycardia - HR < 60 
Sinus tachycardia - HR > 120

MAY MEDICINE 1 REVISION (23 decks)

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