Measurement of the Efficacy of MORPHINE in the Early Management of Dyspnea in COVID-19 Positive Patients

Inclusion Criteria

• •Age over 18 years.
• •Having had a Covid-19 respiratory disease confirmed by PCR or TDM or anamnestic criterion for patients living in communities for the elderly (respiratory symptomatology suggestive and at least 3 cases confirmed in the living environment).
• •Having had respiratory severity criteria: respiratory distress syndrome including FR\> 25 / min and oxygen-demand\> 4 L / min to maintain a SpO2\> 90% at inclusion.
• •Having had a defined level of care after collegial discussion notified in the file rejecting the external cardiac massage and admission to the intensive care unit (Level 3 and 4 on the protocols of the Hospices Civils de Lyon).
• •Collection of non-opposition