When Polymorphic Ventricular Tachycardia Is Preceded by a Rhythm with a Prolonged

question 2

Multiple Choice

When polymorphic ventricular tachycardia is preceded by a rhythm with a prolonged QT interval, either congenital or medication induced, it is called ____.

• A) torsades de pointes
• B) AV nodal re-entry tachycardia
• C) pre-excitation syndrome
• D) re-entrant tachycardia

---

Definitions:

Expenses

Costs incurred in the process of earning revenue; typically classified as fixed, variable, or periodic expenditures.

Breakeven Point

The point at which total cost and total revenue are equal, resulting in no net loss or gain for a business or project.

Variable Costs

Costs that change in proportion to the level of production or activity within a business, such as materials and labor costs.

Fixed Costs

Fixed costs are business expenses that remain constant regardless of the level of production or sales activities, such as rent, salaries, and insurance.