Damage to the Electrical Pathway Between the SA Node and AV

question 27

Multiple Choice

Damage to the electrical pathway between the SA node and AV node would be reflected by which change on an ECG tracing?

• A) An abnormally tall P wave
• B) A wide QRS complex
• C) A long PR interval
• D) A flat ST segment

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Definitions:

Wave's Depth

The vertical distance from the trough of a wave to its crest, indicating the size of the wave.

Wave Base

The maximum depth at which water movement still causes any significant motion of sediment on the seabed.

Deep Seafloor

The lowest layer of the ocean, extending from the continental margin to the abyssal plain, characterized by high pressure, low temperature, and unique ecosystems.

Shoreline Stones

Rocks found along the shorelines, often shaped by the continuous action of waves and tidal movements.