The test measures the concentration of potassium in the blood to assess overall potassium status.

No, fasting is not typically required for this test.

Causes include inadequate dietary intake, excessive losses (e.g., through vomiting or diarrhea), or certain medications.

Yes, high levels can be life-threatening, requiring immediate medical attention and treatment.

A blood sample is taken from a vein, usually in the arm, and analyzed in a laboratory.

Types include open prostatectomy, laparoscopic prostatectomy, robotic-assisted laparoscopic prostatectomy, and transurethral resection of the prostate (TURP).

Ophthalmologists treat a wide range of conditions including cataracts, glaucoma, macular degeneration, diabetic retinopathy, and refractive errors like nearsightedness and farsightedness.

Adults should have a comprehensive eye exam at least once every two years, or more frequently if advised by your eye doctor based on your age, health, and risk factors.

Signs include blurred vision, difficulty seeing objects up close or far away, frequent headaches, eye strain, and squinting.

An eye exam involves tests for visual acuity, assessment of eye muscle function, pupil response, and examination of the retina and optic nerve. It may include dilation to allow a better view of the back of the eye.

Regular eye exams, maintaining a healthy diet rich in antioxidants, protecting your eyes from UV rays with sunglasses, and avoiding smoking can help reduce the risk of eye diseases.