I've been having some concerns about my recent health check-up. My heart rate is around 55, and after a second ECG, it dropped to 52. The doctor had me do some additional tests, and my sodium is at 137, and potassium is 5.8. I'm not experiencing any shortness of breath or fatigue while going about my daily activities, but I do feel a bit light-headed and dizzy. How serious is this situation? Also, what should I do in terms of medication or diet to lower my potassium levels? Does adding salt and lemon to water affect my potassium levels at all? I'd appreciate any guidance you can provide.

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Dr Shubham Chauhan

General Practitioner

MBBS
4+ Yrs

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The decrease in heart rate from 55 to 52 beats per minute on ECG may not be a significant concern on its own, but the high potassium level of 5.8 mmolL (normal range is typically 3.5-5.0 mmolL) could be a cause for your light-headedness and dizziness. High potassium levels can affect the heart's rhythm and lead to symptoms like weakness, fatigue, and palpitations. To lower your potassium levels, you can make dietary changes such as avoiding high-potassium foods like bananas, oranges, potatoes, and tomatoes. Additionally, you should limit salt intake as high sodium levels can affect potassium levels. Drinking salt water with lemon may not significantly affect your potassium levels, but it's best to avoid it for now. Your doctor may prescribe you with a medication called Sodium Polystyrene Sulfonate to help lower your potassium levels. The typical dosage is 15-60 grams daily, but your doctor will determine the appropriate dose for you based on your potassium levels. It's important to follow up with your doctor for further evaluation and management of your potassium levels. Make sure to follow a low-potassium diet and take the prescribed medication as directed to help normalize your potassium levels and alleviate your symptoms.

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Answered 04/07/2025

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