Organophosphates and carbamates are the more common active ingredients of household, garden, and farm insecticides, and are highly toxic to all animals and humans. What do they do to the heart? In a 2004 study, 37 adults were admitted to a Singapore hospital with acute pesticide poisoning (organophosphates or carbamate) over a three-year period, and 62 percent of these patients later developed cardiac complications.
