thought he was having a heart attack; It was all over his body and his left side, the pain/ left side hurts/ spread up his arm and down his hand and shoulders; left side hurts because that was where he got the shot; the first shot almost killed him, he has a defibrillator attached to his heart; This is a spontaneous report from a contactable consumer (patient himself). A 69-year-old male patient received BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, solution for injection; Batch/Lot Number: ER8732) via an unspecified route of administration, administered in left arm, on 23Mar2021 (at the age of 69 years old), as 1st dose, single, for COVID-19 immunisation. The patient's medical history included stroke, weak heart, defibrillator/pacemaker insertion, impaired eyesight/ half-blind, pneumonia, headache, and ongoing prostate. The patient had a defibrillator attached to his heart, staples in his chest, and stitches. He got a weak heart from pneumonia which gave him a stroke and led to impaired sight. Patient stated everything else was working. The reason he's blind was because pneumonia hit his heart and caused a stroke along with the medication he was being given, and it happened before getting the COVID vaccine and has nothing to do with the shot. The stroke caused blindness, and they needed to add a defibrillator to his heart because the pneumonia weakened his heart even more than it was already weak. He had a defibrillator attached to his heart 14 years ago and it got took out about 7 years ago because his heart was better. He reported he had to get another defibrillator due a problem from pneumonia. The patient missed his first appointment for the first dose as he had back trouble and a headache. He called the hospital, and they listed off if you're feeling this or this don't come. The patient wasn't feeling well, so he didn't go; he did not seek medical treatment. The patient has compromising conditions; he has a defibrillator and he take blood pressure and heart medications. Every time they tested him, he was negative for COVID and he did not test positive. Concomitant medications included tamsulosin taken for prostate, start and stop date were not reported. The patient was also taking nearly 15 pills a day; 6 in morning, 2 in the afternoon/lunch, 6 at evening time and some at night before bed. He reported that he was pill popping because of his condition and he could sell and still have more than enough for himself to take, that is how bad it is for him. The patient reported about number one and number two shots of COVID vaccine. The number one shot scared him, so he was scared of getting shot number two. He didn't know what the deal of it. He received it at the hospital on 23Mar2021 (Tuesday), and it woke him up on Wednesday morning around 2 A.M (24Mar2021) and he thought he was having a heart attack. The patient wanted the second shot, but he didn't want to get it. He wanted to know whether you have to take the first shot over again or can you take the second; he heard the second shot was worse. He missed his appointment on 15Apr2021 because the first shot scared him, and he panicked. The patient stated that the first shot almost killed him, he has a defibrillator attached to his heart, and he was scared to get the second. The patient wanted to know what the deal was, if he can take second dose safely. He stated no big deal, and he's leery after the first shot woke him up. He had a pain from Wednesday morning to Sunday afternoon, stated he had a pain grade of 6-12. The patient also stated that he has been going crazy with other things, staying away from other things, with the condition he's in, he's blind, and he stayed in the house. When he went out, he was covered. The pain lasted Wednesday through Sunday, he didn't go anywhere and makes precaution to make sure not to catch something, he's always masked and always home. The patient reported that he was having pain at times when he touches his side. When he goes to bed, he sleeps on his right side with his arm across his body laying on a foam block because that side hurts. He clarified that his left side hurts because that was where he got the shot. He was surprised, the pain was so sharp, he thought he was having a heart attack. It came from his elbow, started there and spread up his arm and down his hand and shoulders. His left side hurt when he touched and pressed down, it was a pain of 12. He thought he was having a heart attack, and it scared him, that's why he didn't get the second shot. He heard the second one was worse than the first one. If the first one made him feel he was having a heart attack, the second one would surely kill him. He was worried so he decided to stay home. He felt like a kid staying home from school. The pain went away, it just scared him for how he woke up. If he had a pain grade face in the hospital, it was off the chart. He knew how he felt and how he looked, it would be off the chart. He thought in his mind he was dying, felt like he was having a heart attack, like he was dying. It took a little bit of time, he had to calm down and find where the pain was coming from, and where it was going. Pain was coming from his elbow, across his chest and hitting his defibrillator. Patient stated this was the reason he felt he was having a heart attack. The defibrillator woke him up, it had an effect on it, it woke him up and scared him. They had to put the defibrillator in because he needed it for his heart. He thought he was having a heart attack after all this, he was bugging. His son came in, and he told his son that he was in pain. His son told him not to get the shot and believed this was why the patient was hurting. His son said the vaccine and the defibrillator caused him to feel like he's having  a heart attack, the shot did something to his elbow which caused the pain and when it hit, it hit everything  and he had a pain grade of 20. It woke him up and scared him. He won't say what he wanted to say, it is personal, but it scared him that much he wanted to go there.  The patient was supposed to get his second dose 15Apr2021 because the first shot scared him, and he panicked, he did not because he was scared to death. The patient reported that everything began on Wednesday, the pain was gone, and he has recovered completely. Patient stated his pain grade was a 6-12. The pain in his elbow has recovered completely. He stated his elbow showed pain when it gets cold or rains, when it gets wet. Patient wanted to make sure if he gets the second shot, does he have to get the first shot again since he missed the second shot appointment. Everybody was saying to get the COVID vaccine, to prevent him from getting COVID, they wanted everyone to get vaccinated. He was unable to read his vaccine card because he was half-blind and will have someone else look at it. The patient missed his second dose appointment due to the effect of the first dose of the vaccine; he had a bad reaction from the number 1 shot and that was why he did not get the number 2 shot because of him being compromised due to his condition and the medications he takes. He had the first dose on 23Mar2021 and scheduled to get the second dose on 25Apr2021 (more than 21 days).  He believed the ingredients combined this caused it, when he had the event he thought that it did bother his defibrillator, he had pain that made him think he was having a heart attack. That with the meds it may have added to the pressure he received when he got the shot, where he got the shot. His left side was bothering him, he thought he had a heart attack; his defibrillator was thumping, and he had pain that hit his elbow and his defibrillator woke him up. He knew it had to do with COVID shot. It was all over his body and his left side, the pain. His heart medication and blood pressure medication were nothing different. He had pain in his side, that he does not normally have which branched out from the elbow, to the hand, to the defibrillator. His left side was sore and he could not lay on it and could not touch it since it was so painful. Patient confirmed the pain was all down the left side and he got the vaccine in his left arm. The only last effect he was having is that he was afraid to get that second shot, he was afraid to go to sleep as he won't wake up after getting the 2nd shot or how he will going to react to it. He was paranoid in his mind to get the second shot. He reported that everything was wrong with him and that the shot had to fight with his medications and his body pain for it. He reported his body is paying the price. He felt like he was having a heart attack, pain going up and down arm, his fingers felt like needles going into his hand, like life was going back through his hand. His pain went to his chest his face was nowhere on the pain chart, his pain was like a 16 on a scale of 1 to 10. When he woke up that night it was like a 20, then if he touched his arm the pain was like a 14-16. The patient could not sleep, he could not sleep on his left side. Patient had to put a foam pad on his left side he got from his friend or sleep on his right side. That started Wednesday morning at 2 A.M to Sunday morning, he was surprised when he woke up that Sunday, he was not in pain when he woke up on his back. Patient reported he was half blind and can't find his medications. He reported he put his medications down earlier and was not sure where they were.nAround that time he went to the hospital due to breathing issues, problems breathing. He went in twice and they discharged him on their own but, he had more problems breathing. What he did not know at the time he had because he did not look at the discharge paper and no one explained them to him was that he had Pneumonia when he went to the hospital. The outcome of the events vaccination site pain, heart attack was recovered on unspecified date in 2021; while for the remaining events was unknown.  Information on Lot/Batch number was available. Additional information has been requested.