11. A young man presents with chest discomfort, dyspnea, fatigue, pressure in epigastrium and palpitations. He had a history of viral flu a few days back. Moreover, the ECG showed non-specific changes and the lab culture had a growth of influenza virus. What is the diagnosis?
12. A middle-aged woman came to the emergency department with worsening dyspnea, pressure in head and increased respiratory rate. She was known to have pulmonary edema secondary to heart failure. On examination, there was tachycardia, tachypnea, and hypertension. ABGs were carried out which showed pH < 7.35, paCO2>42 mm of HG, and H2CO3 was also high. What is the likely diagnosis?