What Causes the Different P Wave Morphologies in an ECG

question 32

Multiple Choice

What causes the different P wave morphologies in an ECG tracing that shows wandering atrial pacemaker?

• A)The variable strength of the atrial contraction caused by each impulse
• B)The rate at which the ectopic impulses are generated
• C)The varying sites of the ectopic impulses
• D)The morphology of the resulting QRS complexes

---

Definitions:

Market Call Premium

Additional amount above the par value that an investor must pay to call in a callable bond before its maturity date.

Stock Price Volatility

Refers to the degree of variation of a trading price series over time as measured by the standard deviation of logarithmic returns.

Call Option

A financial contract that gives the buyer the right, but not the obligation, to buy a stock or other underlying asset at a predetermined price within a specified time period.

Put Option

A financial contract allowing the holder to sell a specific amount of an underlying asset at a predetermined price within a specified time frame.