<prompt> Emphysema aquosum is seen in:Wet drowningDry drowningImmersion syndromeSecondary drowning  <response>: - Emphysema aquosum is seen in wet typical drowningQ where drowning fluid causes alveolar wall disruption enters tissue blood vessels. If dead body is thrown into water, due to hydrostatic pressure water passes into lungs known as hydrostatic lung. Oedema aquosum no columns of froth is seen in drowning of unconscious. - ARDS Fibrosing alveolitis is seen in near drowning or secondary drowning syndrome. - Dry Lung is seen in dry drowning in which death occurs due to laryngeal spasm. - If drowning is survived, the event is referred to as near drowning complications as near secondary drowning syndrome. Ref ; Narayana reddy 33rd ed. 