Suriving sepsis - the first hour bundle

A 25yo trauma patient was hospitalized at the ward following a car crash. His injuries involve a fractured pelvis, humerus, four ribs and a pneumothorax, which was drained intermittently. Drain was extracted three days ago, control chest X-ray without pneumothorax. Humeral and pelvic osteosynthesis was performed, rib fractures were treated conservatively. During patient's post-operational recovery, there were no bleeding-related complications for seven days, hemoglobin and leukocytes were rising. Now the patient is somnolent, worn out and dyspneic. To raise his oxygenation you administer oxygen via a face mask. A likely diagnosis will be:
25
years
man
RR
24 /min
HR
121 /min
SpO2
87 %
BP
95/60 (72) mmHg
temperature
39 °C
EKG
action: regular
Examination
Patient is somnolent, short of breath, dypsnoic, shivers and coughing up a green-yellow dense sputum.
On auscultation, breathing is weakened on the right side, in the lower and middle lung field, diffuse bilaterally. Cardiac rythm regular, sounds without murmur, tachycardia.
Head, neck, abdomen, limbs without pathological finding.
Glycaemia
Gly
12,0  mmol/L
Arterial blood gas
pH
7,28
pCO2
48,75  torr
pO2
71,25  torr
BE
-8  mmol/l
HCO3
21  mmol/l
Complete blood count
HGB
120  g/L
HTC
0,38
ERC
4,6  x1012/L
LEU
18  x109/L
PLT
420  x109/L
Biochemical analysis
Na
140  mmol/L
K
4,8  mmol/L
Cl
103  mmol/L
Glycaemia
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Arterial blood gas
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Complete blood count
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Biochemical analysis
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