Case Presentation: Neisseria meningitidis, a gram-negative diplococcus, is widely known for causing meningitis and septicemia. However, its potential to trigger rare cardiac manifestations, such as pericarditis, often goes unrecognized. These atypical presentations can mimic common cardiovascular emergencies like myocardial infarction or pulmonary embolism, creating significant diagnostic challenges.A 44-year-old male with a history of type 2 [...]