Pharma- Arrhythmias Q3
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Questions and Answers

how do class 1a drugs function?

lengthen AP and RP by blocking K+ in addition to Na+.

uses of class 1a drugs?

for both ventricular and arterial tachycardias.

which class of drugs have intermediate dissociation and therefore moderate effect?

class 1a.

SE of class 1a drugs?

<p>anticholinergic SE (esp disopyramide). negative inotropic effect (reduced contr) due to low Ca++ entry.</p> Signup and view all the answers

which class of drugs to be avoided w hypertension patient?

<p>class 1a</p> Signup and view all the answers

SE of disopyramide?

<p>anti-cholinergic SE. negative inotropic effect.</p> Signup and view all the answers

which class of drugs have rapid dissociation?

<p>class Ib drugs and therefore mild effect.</p> Signup and view all the answers

an emergency medication can be used for ventricular tachycardia as an IV?

<p>Lidocaine ( class Ib drugs).</p> Signup and view all the answers

three of class Ib drugs?

<p>LMT. Lidocaine, mexiletine, tocainide.</p> Signup and view all the answers

which class of drugs to be used for atrial fibrillation?

<p>class IC drugs.</p> Signup and view all the answers

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