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.
Insect indicators of abuse or neglect in forensic cases involving human homicide and wildlife crime. Case Study: One veterinarian reported that a dog was presented with a severe edema of the muzzle and several maxillary fractures of unknown cause. The maxilla was wired and the dog sent home. Four days later the owner noticed that skin and subcutaneous tissue appeared to be sloughing, so the veterinarian was again consulted. On closer examination, some of the teeth were found to be fractured and rotting and therefore, extracted. At this point, maggots were observed throughout the injured area, and the veterinarian took several radiographs. The radiographs indicated that