In this Podcast we talk about describing things that are funny and we find out words commonly used by native speakers. Lesson Below
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Premature Ventricular Contractions (PVCs)
- General information
- Irritable impulses originate in the ventricles
- Caused by electrolyte imbalance (hypokalemia); digitalis drug therapy; myocardial disease; stimulants (caffeine, epinephrine, isoproterenol); hypoxia; congestive heart failure
- Assessment findings
- Rate: varies according to number of PVCs
- Rhythm: irregular because of PVCs
- P wave: normal; however, often lost in QRS complex
- P-R interval: often not measurable
- QRS complex: wide and distorted in shape, greater than 0.12 seconds
- Treatment
- IV push of lidocaine (50-100 mg) followed by IV drip of lidocaine at rate of 1-4 mg/minute
- Procainamide (Pronestyl), quinidine
- Treatment of underlying cause
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