1331. Miacalin spray needs priming, and shaking gently.
1332. Levostin eye drops (levocabastine), shake well before using.
1333. Spiriva do not shake it.
1334. Antiarrhythmic classes:
1. Na channel blockers:
a. Prolong AP (action potential); eg. quinidine, and procainamide.
b. Shorten AP; eg. lidocaine, and phenytoin.
c. No effect on AP; eg. flecainide, and propafenone.
2. Beta-blockers (block beta one activation); eg. atenolol, bisoprolol, metoprolol, and sotalol.
3. Potassium/ multichannel blockers; prolong AP, and suppress atrial and ventricular arrhythmias, eg. amiodarone, dronedarone, dofetilide, and sotalol.
4. Calcium channel blockers; slow AV nodal conduction. eg. verapamil, and dilitiazem.
5. Miscellaneous; eg. adenosine, digoxin, and magnesium.
1335. Fosinopril can be used in renal failure without dose adjustment.
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