This disclosure relates to peptides useful for targeting inflamed or distressed tissue and uses related thereto. In certain embodiment, the peptides comprise SEQ ID NO: 1-14, or variants or derivatives thereof. In certain embodiments, peptides disclosed herein are conjugated to a label to detect, measure, or image cardiac tissue useful in the diagnosis of myocarditis. In certain embodiments, the peptides are conjugated to a particle coating for use in ultrasound imaging, MRI, or targeted therapy. In certain embodiments, peptides disclosed herein are conjugated to a drug or a particle containing a drug useful for targeted therapy.