Postoperative pain management - 2020

Patient is coming to an anaesthesiology ambulance prior pulmonary lobectomy indicated for lung tumor. According to personal history, patient is known to overcome deep venous thrombosis, with subsequent warfarinization. He took warfarin this morning.
67
years
man
RR
19 /min
HR
82 /min
SpO2
96 %
BP
138/82 (101) mmHg
Examination
Man, age: 67, all pre-op examinations are normal,
Glycaemia
Gly
5,7  mmol/L
Complete blood count
HGB
145  g/L
HTC
0,4
ERC
3,7  x1012/L
LEU
4,5  x109/L
PLT
273  x109/L
Biochemical analysis
Na
141  mmol/L
K
3,7  mmol/L
Cl
105  mmol/L
Glycaemia
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Complete blood count
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Biochemical analysis
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