Elevated heart rate; Labored breathing; Dizzy; Short of breath, little more winded short of breath; Couldn't breathe; Heaviness in chest; They did her blood pressure and it was over 100 and then dropped below 80.; This is a spontaneous report from a contactable consumer (patient) or other non hcp. A 45-year-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection, Batch/Lot Number: ER8731; Expiration Date: 31Jul2021), dose 1 via an unspecified route of administration, administered in Arm Left, (left shoulder area) on 19Apr2021 13:00 (at 45 years of age) as 0.3 ml, single for covid-19 immunization at Hospital. Medical history reported as none. Dates for concomitant products birth control: (started on unspecified date stop: ongoing). No prior vaccination within 4 weeks. Had a heart to heart with her dad. Is going to state to see him. He had triple bypass heart surgery and thinks she should have it. The patient experienced elevated heart rate and labored breathing on 19Apr2021. The patient felt dizzy, short of breath, little more winded short of breath, heaviness in chest and they did her blood pressure and it was over 100 and then dropped below 80, couldn't breathe in Apr2021. It was reported that she was just on with a nurse with whom she told she had dyslexia and was unable to fill out the form online. She asked her if she had dyslexia before she had the vaccine. She thought that was extremely rude and said that everything had to be recorded, then they got disconnected. Had gotten this phone number from one of her buddies who works for Pfizer. She had gotten a print out saying she should call about side effects. She had barely started the report. Does not want any negative feedback. She was a professional trainer who works out 7 hours a day. Had elite cardiovascular health. Got the vaccine last Monday. Waited the 15 minutes and no threatening things were seen. When she got home, she felt an elevated heart rate, kind of like when you drank too much caffeine. Had elevated heart rate and labored breathing. She was a little more winded than usual teaching her classes. It kept increasing through the week. Each day, she was progressively winded, trying to teach senior citizens just talking to them and leading warm ups. Patient was very short of breath and heaviness in her chest. Couldn't bring down her heart rate with breath work like she was use to being able to do. Ever since she got the shot, she had elevated heart rate. She started getting dizzy all of the time. By Wednesday, she couldn't teach any of her classes, had to sit down in the chair when she was talking because she was so winded. Her heart and lungs were affected. She called a nurse at her primary care this past Saturday who told her to go to the emergency room. She went to the Emergency room and they did the standard tests, EKG, chest X-rays and blood work. Nothing significant was found. Her oxygen was 100%. They did her blood pressure and it was over 100 and then dropped below 80. They were scared. They then ordered the chest X-rays, blood work and everything came back good and nothing noted. Still experienced all of these things. They said to rest all weekend, and for her to not do anything. On Saturday and Sunday, still had heaviness in the chest and couldn't breathe. Couldn't walk up the stairs without breathing heavy. It was not as winded today. Her heart rate was still elevated and has not pushed the cardiovascular stuff at all and it was now day 8. She does not have flu like symptoms, her personality and energy was there; it was just the lung and heart stuff was still there. She knows her body. She was on tv show and trains high level athletes. Yesterday, she could do her classes. Today was the first day she can actually take a full breath. The chest heaviness was gone today. She had not checked her heart rate though. It may still be elevated but she does not know. The clinical outcome of events elevated heart rate was not recovered, labored breathing, short of breath, little more winded short of breath was resolving, for events heaviness in chest, they did her blood pressure and it was over 100 and then dropped below 80 was resolved on 27Apr2021 and for events dizzy and couldn't breathe was unknown.  No follow-up attempts are needed. No further information is expected.