Acquired Hemophilia A and ST-Elevation Myocardial Infarction (STEMI): A Rare Presentation and Management Dilemma.

Thrombotic events are a rare complication of recombinant activated factor VII (rFVIIa) therapy in patients with hemophilia. We present a case of a 71-year-old male who developed ST-elevation myocardial infarction after receiving rFVIIa replacement therapy for acquired hemophilia A.

Anaplasmosis-induced hemophagocytic lymphohistiocytosis.

Hemophagocytic lymphohistiocytosis (HLH) is a rare, life-threatening inflammatory syndrome of severe immune system activation. It is a diagnostic challenge with high morbidity and mortality. We present a case of HLH due to anaplasmosis infection.

Cardiac Adverse Reactions With COVID-19 Vaccinations.

The coronavirus disease 2019 (COVID-19) pandemic has resulted in millions of deaths worldwide. The emergency use authorization for both the Pfizer-BioNTech and Moderna mRNA COVID-19 vaccinations was a major turning point in the battle against COVID-19. These vaccines have been well-tolerated; however, there have been reported cases of myocarditis and pericarditis after receiving the second dose of the vaccine.