A client comes to the emergency room complaining of sudden, excruciating pain in the lower back and side. The nurse suspects renal calculus. Which term best describes this type of pain?

A. Uric acid stones may cause pain, but they do not typically present with costovertebral angle tenderness. Uric acid stones are more likely to be associated with gout and hyperuricemia.

B. Calcium oxalate stones are common and can cause pain, but they do not typically cause costovertebral angle tenderness. They are more likely to cause localized pain in the back or side.

C. This is the correct answer. Struvite stones, also known as infection stones, can cause severe pain that radiates to the back and lower abdomen. They are often associated with urinary tract infections, and the presence of an infection can lead to costovertebral angle tenderness.

D. Cystine stones are rare and are more likely to cause chronic, dull pain rather than sudden and severe pain with tenderness.

A. Thiazide diuretics can lead to decreased calcium excretion in the urine, which may be beneficial for some clients with kidney stones. They are used to reduce the excretion of calcium and prevent the formation of calcium-based stones.

B. Hypernatremia is not directly related to thiazide diuretic use. Thiazide diuretics primarily affect sodium excretion in the urine, but they do not typically cause hypernatremia.

C. This is the correct answer. Thiazide diuretics can cause hypokalemia (low potassium levels) as they increase potassium excretion in the urine.

D. Thiazide diuretics do not cause hypermagnesemia. They do not have a significant effect on magnesium excretion in the urine.

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