A Significant Q Wave

question 30

Multiple Choice

A significant Q wave

• A)is either 0.04 seconds wide or 1/3 to 1/4 the size of the R wave.
• B)is taller than the peak of the T wave.
• C)implies myocardial injury.
• D)is seen only in subendocardial MIs.

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Definitions:

Sandstone

A sedimentary rock composed mainly of sand-sized mineral particles or rock fragments.

Avalanche

A rapid flow of snow, ice, and possibly debris down a mountain slope, often triggered by factors like weather, temperature, and disturbances.

Imbricated Clasts

Rock fragments arranged in a way that they overlap each other like shingles on a roof, typical in sediment deposited by flowing water.

Earthquake

A sudden and violent shaking of the ground, often caused by movement within the Earth's crust or volcanic action.