The cause of sudden
deathDiscussing death with children
Gangrene
Liver cell death
Loss of a child - resources
Sudden infant death syndrome in an otherwise healthy individual is very difficult to determine without an autopsy. Pulmonary emboli would be the most likely cause. However there are a number of rare,
inflammatoryInflammatory bowel disease
Ulcerative colitis alveolar hemorrhagic diseases that effect the blood vessels. These diseases can cause the lungs to fill with blood. They are unlikely to present in such a rapidly progressive fashion resulting in death. Viral infections are possible, but it would also be rare for them to present in this way. An autopsy would need to include culturing of the tissues to find the specific virus.