mayo ecg essentials test questions with passed
solutions
1. delays impulse from atria before it moves
to the ventricles av node
2. right sternal border, 4th intercostal space L1 lead 1 goes where
3. 1st degree heart block long PR
4. inverted p wave junctional
5. junctional 40-60
accelerate
d 60-100
junctional 100-159
6. Ventricular 20-40
7. Junctional 40-60
8. SA 60-100
9. P wave comes before it should which
makes the preceding T wave look PAC
abnormally large
10. QRS is not preceded by a P wave, but the width
PJC
of the QRS is unaffected
11. They do not follow a P wave and are very wide
PVC
complexes compared to the sinus beat QRSs.
12. 1st degree AV block long pr interval
13. 2nd degree AV block type 1 pr progressively lengthens,
longer, longer, drop
14. 2nd degree AV block type 2 p regular, irregularly dropped qrs
1/
2
solutions
1. delays impulse from atria before it moves
to the ventricles av node
2. right sternal border, 4th intercostal space L1 lead 1 goes where
3. 1st degree heart block long PR
4. inverted p wave junctional
5. junctional 40-60
accelerate
d 60-100
junctional 100-159
6. Ventricular 20-40
7. Junctional 40-60
8. SA 60-100
9. P wave comes before it should which
makes the preceding T wave look PAC
abnormally large
10. QRS is not preceded by a P wave, but the width
PJC
of the QRS is unaffected
11. They do not follow a P wave and are very wide
PVC
complexes compared to the sinus beat QRSs.
12. 1st degree AV block long pr interval
13. 2nd degree AV block type 1 pr progressively lengthens,
longer, longer, drop
14. 2nd degree AV block type 2 p regular, irregularly dropped qrs
1/
2
