A 65-year-old patient complains of shortness of breath, cough with foaming pink sputum, lack of air, and fear of death. Objectively, orthopnea, pale skin, acrocyanosis, and cold sticky sweat are observed in the patient. Auscultation detects coarse breathing with wet fine and medium vesicular crackles in the inferioposterior segments on both sides. Respiratory rate - 40/min. The heart sounds are sharply muffled. At the top of the heart, a gallop rhythm is observed. What is the most likely diagnosis in this case?