A 20-year-old male underwent thoracentesis for fluid drainage. Upon extracting 30ml of straw-colored fluid, the patient suddenly experienced dizziness, palpitations, pale complexion, cold extremities, and thready pulse. The most likely diagnosis is:
A 20-year-old male underwent thoracentesis for fluid drainage. Upon extracting 30ml of straw-colored fluid, the patient suddenly experienced dizziness, palpitations, pale complexion, cold extremities, and thready pulse. The most likely diagnosis is: