Baseline observations and normal parameters - ECG Flashcards
What does the number difference represent between a 3 lead and 12 lead ECG?
A 3 lead, gives 3 views of the heart
A 12 lead, gives 12 views of the heart
What is important to note when placing limb leads?
Place them on soft tissue surfaces, and not bone
Where is the V1 chest lead placed?
4th intercostal space to the right of the sternum
Where is the V2 chest lead placed?
4th intercostal space to the left of the sternum
Where is the V3 chest lead placed?
Directly between V2 and V4
Where is the V4 chest lead placed?
5th intercostal space at midclavicular line
Where is the V5 chest lead placed?
Level with V4 at left anterior axillary line
Where is the V6 chest lead placed?
Level with v5 at midaxillary line
What is 1 advantage and disadvantage of 3 lead ECG?
Advantage - quick and easy to apply
Disadvantage - unspecific information obtained
What is 1 advantage and disadvantage of 12 lead ECG?
Advantage -analyse st-t segment changes
Disadvantage - the wrong diagnosis if wrong positioning of the electrodes
What is the calculation for working out the rate on an ECG?
300 divided by the amount of large squares between 2 waves
