Polycythemia vera with acute coronary syndrome and bleeding as initial presentation: A case report and literature review.

Polycythemia vera (PV) is a chronic myeloproliferative disorder characterized by increased red blood cell mass, leading to a heightened risk for thrombosis and hemorrhage. While thrombotic complications such as stroke, deep vein thrombosis, and pulmonary embolism are commonly associated with PV, coronary artery syndromes, as the initial presentation, are rare. Here, we present the case of a 73-year-old male who presented with severe chest pain and was diagnosed with non-ST-elevation myocardial infarction (NSTEMI).

Hemophagocytic Lymphohistiocytosis (HLH) Flare Following the COVID-19 Vaccine: A Case Report.

Hemophagocytic lymphohistiocytosis (HLH) is a rare hyperinflammatory state that leads to overactivation of the immune system due to underlying disease. It can lead to multiorgan failure and death if not treated properly. HLH after vaccination is rare but has been reported in a few cases.