Anxiety with head and chest tightness bp 124 over 77 pulse 66 went to er this morning and ekg and blood work good but still nervous?

Anxiety shows itself: In may ways. Once can mentally obsess over things that frighten the person or do behaviors to keep danger away, e.g., ritual behaviors, checking and re-checking. Physically there can be heart palpitations, shortness of breath, sweating, sleeplessness, etc. Please go to a mental health professional for support if you think you have an anxiety disorder. See doc first to rule out medical issues.