An 83-year-old, previously healthy woman from a nursing home develops headache, fever, cough, malaise and difficulty breathing during a community outbreak affecting numerous other residents at the home. A diagnosis of bronchopneumonia is made. During her stay in the hospital, her condition worsens, and she passes away. Histologic examination of a section of her heart reveals findings seen in the image below. Which of the following best represents the pigment seen in the image?
Wähle eine der folgenden: