Answer
In 2010, Néstor Kirchner, the former President of Argentina, passed away due to cardiac arrest. He suffered from various health issues, including high blood pressure and heart disease, and had undergone surgery for a carotid artery blockage just months before his untimely demise. His death was a significant loss for the nation, and he is remembered as a charismatic leader who played a pivotal role in shaping modern Argentina.