| Question | Answer |
| QRS narrow
rhythm regular
P before every QRS
PR interval >0.2
P is right side up | 1st degree heart block |
| QRS narrow
rhythm irregular
P before every QRS
PR interval <0.2
P is right side up | Atrial Fib |
| QRS wide
rhythm irregular
no Ps
PR interval = none | V fib |
| QRS narrow
rhythm regular
P before every QRS
PR interval <0.2
P is right side up
HR=72 | nsr |
| QRS narrow
rhythm regular
P before every QRS
PR interval <0.2
P is right side up
hr>100 | Sinus Tach |
| QRS narrow
rhythm regular
P before every QRS
PR interval <0.2
P is right side up
HR<50 | Sinus Brady |
| QRS narrow
rhythm regular
P before every QRS
PR interval lengthening until you miss a beat
P is right side up | 2nd Degree Type 1 |
| QRS narrow
rhythm regular
P before every QRS
PR interval <0.2 until you miss a beat or more
P is right side up | 2nd Degree Type 2 |
| QRS narrow
rhythm regular
P between every QRS is in chaos
PR interval gets longer then shorter
P's are right side up | 3rd Degree |
| QRS narrow
rhythm regular
P before every QRS
PR interval <0.2
P is absent
HR=72 | Accelerated Junctional |
| QRS narrow
rhythm regular
P before every QRS
PR interval <0.2
P is upside down
HR=52 | Junctional |
| QRS narrow
rhythm regular
P before every QRS
PR interval <0.2
P is absent
HR=32 | Junctional Escape/Bradycarcia |
| QRS narrow
rhythm regular
3 Ps before every QRS
PR interval <0.2
Ps are right side up
HR=72 | Atrial Flutter |
| QRS narrow
rhythm regular (but there is one early beat)
P before every QRS
PR interval <0.2
P is right side up
HR=72 | NSR with a Premature Atrial Contraction |
| QRS narrow
rhythm regular (but there is one early beat)
P before every QRS
PR interval <0.2
P is right side up except the early beat where the P is absent
HR=72 | NSR with a Premature Junctional Contraction |
| QRS narrow
rhythm regular (but there is one early beat)
P before every QRS
PR interval <0.2
P is right side up except the early beat where the QRS is wide
HR=72 | NSR with a Premature Ventricular Contraction |
| QRS wide
rhythm regular
no Ps
none
none
HR=28 | Idioventricular |