My Recent Blood Studies Were Excellent. No Abnormal Readings. However,

My recent blood studies were Excellent. No abnormal readings. However, I have an ongoing feeling of tingling sensations in my arm and a feeling of weakness. Nonetheless, I am extremely active and have not had to refrain from my daily activities. Recent hospitalization 4 months ago for what seemed like heart trouble proved negative. Many heart tests done as well as non-contrast abdomonal MRI. I am a 79 year old woman