A 20 y.o. man has a stab knife wound in the left half of thorax close to nipple. AP is 90/60 mm Hg, Ps- 130/min, BR- 32/min. During inspiration there is increase of pulse wave in the region of jugular vein, decrease of peripheral arterial pulse and reduction of AP Respiratory murmurs are unchanged. X-ray pattern of thorax organs has no pecularities. After introduction of 2 l of isotonic solution the AP stayed low, CVP raised up to 32 cm of water column. The first step in further treatment of the patient will be:

Question

Answer options

Introduction of peripheral vasodilatators in order to reduce CVP
Introduction of loop diuretics in order to reduce CVP
Catheterization of left pleural cavity while the outer end of catheter is submerged in water
Echocardiogram
Continued parenteral introduction of fliud in order to raise AP

Correct answer

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