2. 58y man with dyspnea

A 58-year-old polymorbid patient (after Ao valve replacement with a bioprosthesis, COPD, obesity magna) was brought by  ambulance for severe dyspnoea at 11:04. Anamnestic: since Saturday he has been observing a deterioration of dyspnoea to resting, now unable to speak, orthopnea. He coughed up greenish sputum, he was not febrile. He negated the chest pain. Emergency medical services were provided, ventolin + solumedrol 40mg iv, morphine 4mg iv, oxygen therapy 8/min, transported to AZUP.

Referral to AZUP at 12:00 - BP 220/100, P=100/min, tachypnea 30/min, SpO2 = 92% on oxygen therapy, unconscious patient, unresponsive, GCS 1-1-3, sweaty, pale - immediately directed to EM.

Questions

1. Acid-base balance: what is the disorder -> cause -> treatment?

3. Explain why the cause is not metabolic alkalosis compensated by the lungs (hypoventilation).

4. Explain the possible cause of hypokalemia in the last sample.