Pulmonary edema cardiac arrest due to hypoxia. It is a cardinal feature of congestive heart failure. The term edema is from the Greek (oídēma, "swelling"), from οἰδέω (oidéō, "I swell"). The most common symptom of pulmonary edema is difficulty breathing, but may include other symptoms such as coughing up blood (classically seen as pink, frothy sputum), excessive sweating, anxiety, and pale skin. Shortness of breath can manifest as orthopnea (inability to lie down flat due to breathlessness) and/or paroxysmal nocturnal dyspnea (episodes of severe sudden breathlessness at night). These are common presenting symptoms of chronic pulmonary edema due to left ventricular failure.
Epidemic dropsy their lives and more than 3000 victims were hospitalized. Few studies reported the findings in patients affected with this condition. Even after that the epidemics occurred at alarming frequency in Gwalior (2000), Kannauj (2002) and Lucknow (2005) cities of India. Epidemic dropsy Epidemic dropsy is a form of edema of extremities due to poisoning by "Argemone mexicana" (Mexican prickly poppy). Epidemic dropsy is a clinical state resulting from use of edible oils adulterated with "Argemone mexicana" seed oil. Sanguinarine and dihydrosanguinarine are two major toxic alkaloids of argemone oil, which cause widespread capillary dilatation, proliferation and increased capillary permeability. When