What symptom is commonly observed in patients experiencing metabolic alkalosis?

• A. Nausea and diarrhea
• B. Muscle cramps and spasms
• C. Severe headaches
• D. Joint pain

Answer: (B)

In cases of metabolic alkalosis, muscle cramps and spasms are commonly observed symptoms due to an imbalance in electrolytes, particularly potassium. Metabolic alkalosis often results from a loss of hydrogen ions or an excess of bicarbonate in the body, which can lead to decreased levels of potassium (hypokalemia). When potassium levels drop, it affects neuromuscular excitability, resulting in symptoms such as muscle cramps and spasms.

Additionally, the alkalotic state can lead to an increased binding of calcium to albumin, lowering the levels of free ionized calcium, which can also contribute to neuromuscular symptoms like cramps and spasms. Recognizing this link between metabolic alkalosis and muscular symptoms can aid in diagnosis and management of patients presenting with these signs.