| Query | User |
|---|---|
| heart parasympathetic | entered by user 2416408 |
| jjkke | entered by user 1950897 |
| pvc ekg values | entered by user 13993001 |
| seizures and heart failure | entered by user 2290102 |
| st segment change | entered by user 3478512 |
| what does a normal sinus rhythm ekg look like | entered by user 2860346 |