Term
|
Definition
|
|
Term
| irregular irregular (rate) |
|
Definition
|
|
Term
|
Definition
| is the width less than 3 small squares? |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| delayed repolarization, lead to tachydysrhythmias and death, changes as rate changes |
|
|
Term
| pathologic excessive prolongation of the QT interval upon exposure of the drug, which reverses with removal of the drug; can lead to Torsades, vfib and death |
|
Definition
| Drug Induced Long QT Syndrome |
|
|
Term
| Class Ia antiarrhythmic agents |
|
Definition
| quinidine, disopyramide, procainamide |
|
|
Term
| class III antiarrhythmic agents |
|
Definition
| amiodarone, sotalol, dofetilide, ibutilide |
|
|
Term
| psychiatric meds that can cause torsades |
|
Definition
| haloperidol, TCA, SSRI, lithium, ziprasidone |
|
|
Term
| antihistamines that can cause torsades |
|
Definition
| terfinadine, diphenhydramine, hydroxyzine, loratadine |
|
|
Term
| antimicrobials/antimalarials that can cause torsades |
|
Definition
| macrolides, fluoroquinolones, quinine, ketoconazole, chloroquine |
|
|
Term
|
Definition
| Mexiletine (oral lidocaine analog) |
|
|
Term
| normalizes electrolytes (torsades txt) |
|
Definition
|
|
Term
| Very common caused by abnormal automaticity, triggered activity, reentrant mechanisms |
|
Definition
| Premature ventricular contractions (PVCs) |
|
|
Term
| PVC with structural heart disease |
|
Definition
|
|
Term
| Txt of PVC w/ no structural heart disease |
|
Definition
|
|
Term
| txt of PVC w/ structural heart disease |
|
Definition
| encainide, flecainide, and moricizine = increase mortality; sotalol = increase mortality; Amiodarone and dofetilide? beta blockers |
|
|
Term
| defined as 3 or more PVCs at greater than 100 bpm |
|
Definition
|
|
Term
| ventricular tachycardia causes |
|
Definition
| metabolic abnormalities, ischemia, drug toxicity, chronic paroxysmal |
|
|
