I shrunk, I have gotten shorter; affect the heart/heart related symptoms; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team, Program ID: The reporter is the patient.  A 74-year-old female patient received BNT162b2, BNT162b2 omi ba.4-5 (BNT162B2, BNT162B2 OMI BA.4-5), on 10Oct2022 as dose number unknown (booster), single (Batch/Lot number: unknown), in right arm for covid-19 immunisation. The patient's relevant medical history included: "Arthritis" (unspecified if ongoing). Concomitant medication(s) included: CELEBREX taken for arthritis. Vaccination history included: Covid-19 vaccine (Primary Immunization series complete; unknown manufacturer), for COVID-19 immunization. The following information was reported: CARDIAC DISORDER (non-serious) with onset Oct2022, outcome "unknown", described as "affect the heart/heart related symptoms"; BODY HEIGHT DECREASED (non-serious), outcome "unknown", described as "I shrunk, I have gotten shorter". Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were not taken as a result of cardiac disorder, body height decreased.  Additional Information: Can the Pfizer bivalent COVID-19 vaccine affect the heart she mainly interested in knowing in the Pfizer bivalent COVID-19 vaccine can affect the heart in older females?  had the Pfizer bivalent COVID-19 vaccine in Oct2022 and am scheduled for her second one tomorrow. After the first Pfizer bivalent, had some symptoms that started on 30Nov2022 and then had some symptoms in Dec2022 and Jan2023 and Febr2023. have a caller to transfer over to you. She did not give me her last name. She got the first Pfizer Bivalent vaccine back on 10Oct (10Oct2022) she said and she is due for the second one potentially tomorrow but she has not received it yet, she has not received the second one yet she is scheduled for another Bivalent but have not received it yet. She did mentioned having some unspecified symptoms she did not tell me what these were but she did say after the bivalent vaccination on 10Oct she had some symptoms that started 30Nov and some things that happened in December and January and February and know that is the AE so don't know what they were, she asked me about heart related symptoms but she did not told me what she is having and that is all. she has not had it yet she is scheduled for it but she has the symptoms, she described starting 30Nov and then December and then January and February of this year. Height: Consumer stated, "My height is 5 foot, I don't know, I shrunk, I have gotten shorter. I am either 5 foot 3 or 5 foot 4." Medication for Arthritis: Consumer stated, "Once in a while if I need to, I don't do that often I take Celebrex for 7 days, I take it for 7 days." Laboratory Test: Consumer stated, "No, in March, no." Treatment: Consumer stated, "No." Caller wanted to know if there would be any reports for an old woman having heart reactions after getting the Bivalent. She stated that she would be having the second one tomorrow and that she is scared.  No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.