Cough chest pain shortness of breath O2 saturation level number of days with tachypnea fever fibrinogen levels di-dimer ROS laboratory indicators duration of possible need for use of mechanical lung ventilation systems survival rate of patients

Cough chest pain shortness of breath O2 saturation level number of days with tachypnea fever fibrinogen levels di-dimer ROS laboratory indicators duration of possible need for use of mechanical lung ventilation systems survival rate of patients