In the therapy department, a hypertensive patient complained to a nurse that he developed shortness of breath, a feeling of "shortness of breath", and a cough with pink frothy sputum. on examination: a serious condition. pale skin, cyanosis of the nasolabial triangle. breathing is noisy, bubbling, pink frothy sputum comes out of the mouth , respiratory rate 35 / min. deaf heart sounds, pulse 120 bpm, blood pressure 210/110 mm hg. art. questions: 1 determine the patient's emergency. 2 draw up an algorithm for emergency care and justify each step.​