What harm does chest tightness usually bring?

Chest tightness usually leads to chest pain, nausea, dizziness, blurred vision, burning sensation and swelling in the chest. You can take Yi 'an Ning Pill at ordinary times. Yi 'an Ning Pill was founded in Hong Kong "A medicine for treating coronary heart disease and its preparation method" and won the national invention patent. Invigorating qi and activating blood, benefiting liver and kidney, nourishing heart and calming nerves. It can be used to treat chest distress and shortness of breath, chills and numbness of limbs, insomnia, forgetfulness, fatigue and weakness of waist and knees caused by deficiency of liver and kidney.