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Flashcards in ecg Deck (22)
1

what is this

atrial fibrillation

 

no discernable p waves

irregular QRS

2

what is this

junctional tachycardia (a type of SVT)

normal QRS

absent p waves

3

what is this

ventricular tachycardia

broad QRS

4

what is this

p mitrale

due to LEFT atrial hypertrophy, usally caused by mitral valve stenosis

5

what is P pulmonale

peaked p waves

Right atrial hypertophy

caused by tricuspid stenois or pulmonary hypertension

6

what is the normal range of the pr interval

0.12- 0.2

7

what are the ecg signs of LVH

R wave is >25 mm

 

8

what is a significant q wave

> 40 mm length

> 2mm depth

 

presents a couple of hours after an MI

if present in lead 3 consider PE

9

what is QTc

QT / sqr root of RR

10

what are the causes of a long QT interval

acute myocardial ischaemia

myocarditis

bradycardia

head injury

hypothermia

U and E imbalance

congenital

drugs

11

how would you detect a left axis deviation

-ve qrs in 2 and 3

12

how would you detect a right axis deviation

negative qrs in lead 1

13

how do you detect an inferior infarct

leads 2, 3  and AVF

14

how do you detect a lateral infarct

leads 1, AVL, V5, V6

15

how do you detect an anterior infarct

precordial leads

16

how do you detect a PE

large s wave in lead 1

deep q wave in lead 3

inverted t wave in lead 3

17

how do you detect hyper kalaemia

tall tented t waves

18

how do you detect hypokalaemia

small t waves, prominent U waves

19

hypercalcaemia

short QT

20

hypocalcaemia

long QT

21

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