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Flashcards in ECG Deck (17):
1

What does the P-wave signal?

Atrial depolarization.

2

What occurs between the P-wave and the QRS complex?

The atria contract.

3

What occurs directly after the QRS complex.

Ventricular contraction.

4

What does the T-wave signal?

Ventricular repolarization.

5

Q image thumb

Atrial flutter

6

Q image thumb

Atrial Fibrillation

7

Q image thumb

Inferior STEMI

8

Q image thumb

Anteroseptal STEMI

9

Q image thumb

Anterolateral STEMI

10

What should the duration of the P wave be?

< 0.12s

(1 square = 0.20s)

11

What should the duration of the PR interval be?

12

What should the duration of the QRS complex be?

< 0.1s

(1 square = 0.2s)

13

How is ST elevation defined?

> 1mm (limb lead)

> 2mm (chest lead)

14

How do you calculate the heart rate on an ECG?

300 divided by the number of large squares between beats

15

What is the standard voltage configuration of an ECG?

10mm/mV

16

What is the normal paper speed of an ECG?

25 mm/s

17

What does ST depression indicate?

Ischaemia