Large U waves on an EKG are typically associated with which of the following abnormalities?

Large U waves on an EKG are typically associated with which of the following abnormalities?

• A. Decreased calcium level
• B. Increased sodium level
• C. Decreased potassium level
• D. Increased magnesium level

Answer: (C)

Large U waves on an EKG are typically associated with decreased potassium levels in the body, a condition known as hypokalemia. U waves are deflections that occur after the T wave in the cardiac cycle and can be indicative of certain electrolyte imbalances. When potassium levels drop, the heart's ability to conduct electrical impulses is affected, leading to alterations in repolarization and the appearance of U waves on the EKG. Therefore, the presence of large U waves serves as a clinical marker for potassium deficiency, enabling healthcare professionals to identify and address potential complications arising from this imbalance. Understanding the relationship between U waves and electrolyte levels is crucial for patient care technicians as they monitor EKG readings and assist in managing patients' cardiac health.

Large U waves on an EKG are typically associated with decreased potassium levels in the body, a condition known as hypokalemia. U waves are deflections that occur after the T wave in the cardiac cycle and can be indicative of certain electrolyte imbalances.

When potassium levels drop, the heart's ability to conduct electrical impulses is affected, leading to alterations in repolarization and the appearance of U waves on the EKG. Therefore, the presence of large U waves serves as a clinical marker for potassium deficiency, enabling healthcare professionals to identify and address potential complications arising from this imbalance.

Understanding the relationship between U waves and electrolyte levels is crucial for patient care technicians as they monitor EKG readings and assist in managing patients' cardiac health.