With an Irregularly Irregular Rhythm There Is No R-R Pattern

question 38

Multiple Choice

With an irregularly irregular rhythm there is no R-R pattern or similarity between the P-R interval or QRS complexes. Irregularly irregular rhythms are due to abnormalities found in the atria. What disorder that has an irregularly irregular rhythm is illustrated in the ECG tracing in the figure below?
 

• A) Wandering atrial pacemaker
• B) Atrial tachycardia
• C) Atrial fibrillation
• D) Atrial depolarization

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Insight into the discrepancy between theory and practice in economic behavior, highlighting the role of immediate costs and benefits.

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Definitions:

Sex Pili

Hair-like appendages on the surface of bacteria used to transfer genetic material between cells during conjugation.

Exogenous DNA

DNA that originates outside an organism and can be introduced through viruses, horizontal gene transfer, or genetic engineering.

Spiracles

Small openings on the surface of some animals, especially insects, used for breathing.

Oxygen

A chemical element with the symbol O and atomic number 8, essential for most life forms on Earth as it is a key component of the respiratory processes of most living cells.