Periodic trouble breathing. I'd have to reach for a breath.Then breathing returns to normal.; Severe heart palpitations about 5 days into the 2nd dose.; After 2nd dose, blood pressure and heart rate became erratic and sometimes 151/90 and heart rate over 100+.; After 2nd dose, blood pressure and heart rate became erratic and sometimes 151/90 and heart rate over 100+.; I have now found a lump under left breast, left side injection site.; Pain was like a pin prick but now pain has gone away.; This is a spontaneous report from a contactable consumer or other non hcp (herself). A 71-year-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Formulation: Solution for injection), dose 2 via an unspecified route of administration, administered in Arm Left on 30Mar2021 17:00 (Batch/Lot Number: ER8734) as dose 2, single, dose 1 via an unspecified route of administration, administered in Arm Left on 02Mar2021 11:45 (Batch/Lot Number: EN6202) as dose 1, single (age at vaccination 71 year old) for covid-19 immunisation. Medical history included thyroid disorder from an unknown date and unknown if ongoing (Thyroid 30 years ago). There were no concomitant medications. patient did not receive other medications within 2 weeks of vaccination. The patient was not pregnant at the time of vaccination. Prior to vaccination, the patient was not diagnosed with COVID-19. Since the vaccination, the patient had not been tested for COVID-19. No known allergies. The patient did not receive any other vaccines within four weeks prior to the vaccination. On 05Apr2021 03:30, the patient experienced periodic trouble breathing. i'd have to reach for a breath. then breathing returns to normal, severe heart palpitations about 5 days into the 2nd dose, after 2nd dose, blood pressure and heart rate became erratic and sometimes 151/90 and heart rate over 100+, i have now found a lump under left breast, left side injection site. pain was like a pin prick but now pain has gone away. periodic trouble breathing. i'd have to reach for a breath. then breathing returns to normal, pain was like a pin prick but now pain has gone away. Adverse event: Severe heart palpitations about 5 days into the 2nd dose. My blood pressure usually stays normal around 119/76 with a 72-79 heart rate for years. After 2nd dose, blood pressure and heart rate became erratic and sometimes 151/90 and heart rate over 100+. Then pressure and heart rate comes down for few days and then escalates again. No prior history of hypertension or critical heart issues. I have now found a lump under left breast, left side injection site. Pain was like a pin prick but now pain has gone away. Periodic trouble breathing. I did have to reach for a breath. Then breathing returns to normal. No headaches and no fever. No muscle pain and no nausea. Some days feeling like myself and very healthy. Then symptoms return. Kept a journal. It seems like every 3-5 days, conditions change either for the better or worse. Trying to schedule a cardiologist. Thought the vaccine was just boosting my immune system but adverse effects continue after 6 weeks. The patient underwent lab tests and procedures which included blood pressure measurement: 119/76 on an unknown date, blood pressure measurement: erratic on an unknown date, blood pressure measurement: sometimes 151/90 on an unknown date, heart rate: 72-79 on an unknown date, heart rate: erratic on an unknown date, blood pressure and heart rate became erratic and sometimes 151/90 and heart rate over 100+, heart rate: over 100+ on an unknown date. The outcome for all events was not recovered.   No follow-up attempts are possible. No further information is expected.