what are the symptoms and causes of cholera?
['Watery diarrhea (sometimes in large volumes)', 'Rice-water stools (see figure 1)', 'Fishy odor to stools.', 'Vomiting.', 'Rapid heart rate.', 'Loss of skin elasticity (washer woman hands sign; see figure 2)', 'Dry mucous membranes (dry mouth)', 'Low blood pressure.']