inclusion criteria: patient over 18 years old patient affiliated to a health insurance plan patient who has given their free, informed and written consent or patient for whom an independent doctor has given their signed consent as part of an emergency procedure kaliemia > 3,5 mmol / l patient diagnosed covid-19 positive by reverse transcription-polymerase chain reaction (rt-pcr) and / or ct the diagnosis of covid-19 will be made if: patient with radiological images strongly suggestive of a chest scan associated with respiratory symptoms, without other obvious etiologies or patient with suggestive respiratory symptoms associated with a positive rt-pcr patients admitted to intensive care with acute respiratory distress syndrome secondary to covid-19, intubated for less than 5 days with: either - hypoxemia defined by a arterial partial pressure of oxygen / fraction of inspiratory oxygen ratio (pao2 / fio2) ratio <100 after 2 sessions of prone position either - an alteration in pulmonary compliance (tidal volume divided by plateau pressure minus positive expiratory pressure) immediately or over the first 96 hours after the start of ards defined by: immediately: impossibility of maintaining a plateau pressure <30 cm of water in a ventilated patient with a tidal volume of 6 ml / kg of weight predicted by the size and a positive expiratory pressure at 10 cm of water during the course of the evolution: decrease in compliance by 20% compared to the initial compliance (day of treatment of the intubated and ventilated patient) we define the start date of ards by the day and time when the patient is intubated and ventilated with regard to our definition of covid-19

inclusion criteria: patient over 18 years old patient affiliated to a health insurance plan patient who has given their free, informed and written consent or patient for whom an independent doctor has given their signed consent as part of an emergency procedure kaliemia > 3,5 mmol / l patient diagnosed covid-19 positive by reverse transcription-polymerase chain reaction (rt-pcr) and / or ct the diagnosis of covid-19 will be made if: patient with radiological images strongly suggestive of a chest scan associated with respiratory symptoms, without other obvious etiologies or patient with suggestive respiratory symptoms associated with a positive rt-pcr patients admitted to intensive care with acute respiratory distress syndrome secondary to covid-19, intubated for less than 5 days with: either - hypoxemia defined by a arterial partial pressure of oxygen / fraction of inspiratory oxygen ratio (pao2 / fio2) ratio <100 after 2 sessions of prone position either - an alteration in pulmonary compliance (tidal volume divided by plateau pressure minus positive expiratory pressure) immediately or over the first 96 hours after the start of ards defined by: immediately: impossibility of maintaining a plateau pressure <30 cm of water in a ventilated patient with a tidal volume of 6 ml / kg of weight predicted by the size and a positive expiratory pressure at 10 cm of water during the course of the evolution: decrease in compliance by 20% compared to the initial compliance (day of treatment of the intubated and ventilated patient) we define the start date of ards by the day and time when the patient is intubated and ventilated with regard to our definition of covid-19

inclusion criteria: 1. patient over 18 years old 2. patient affiliated to a health insurance plan 3. patient who has given their free, informed and written consent or patient for whom an independent doctor has given their signed consent as part of an emergency procedure 4. kaliemia > 3,5 mmol / l 5. patient diagnosed covid-19 positive by reverse transcription-polymerase chain reaction (rt-pcr) and / or ct the diagnosis of covid-19 will be made if: - patient with radiological images strongly suggestive of a chest scan associated with respiratory symptoms, without other obvious etiologies or - patient with suggestive respiratory symptoms associated with a positive rt-pcr patients admitted to intensive care with acute respiratory distress syndrome secondary to covid-19, intubated for less than 5 days with: - either - hypoxemia defined by a arterial partial pressure of oxygen / fraction of inspiratory oxygen ratio (pao2 / fio2) ratio <100 after 2 sessions of prone position - either - an alteration in pulmonary compliance (tidal volume divided by plateau pressure minus positive expiratory pressure) immediately or over the first 96 hours after the start of ards defined by: - immediately: impossibility of maintaining a plateau pressure <30 cm of water in a ventilated patient with a tidal volume of 6 ml / kg of weight predicted by the size and a positive expiratory pressure at 10 cm of water - during the course of the evolution: decrease in compliance by 20% compared to the initial compliance (day of treatment of the intubated and ventilated patient) we define the start date of ards by the day and time when the patient is intubated and ventilated with regard to our definition of covid-19

inclusion criteria: 1. patient over 18 years old 2. patient affiliated to a health insurance plan 3. patient who has given their free, informed and written consent or patient for whom an independent doctor has given their signed consent as part of an emergency procedure 4. kaliemia > 3,5 mmol / l 5. patient diagnosed covid-19 positive by reverse transcription-polymerase chain reaction (rt-pcr) and / or ct the diagnosis of covid-19 will be made if: - patient with radiological images strongly suggestive of a chest scan associated with respiratory symptoms, without other obvious etiologies or - patient with suggestive respiratory symptoms associated with a positive rt-pcr patients admitted to intensive care with acute respiratory distress syndrome secondary to covid-19, intubated for less than 5 days with: - either - hypoxemia defined by a arterial partial pressure of oxygen / fraction of inspiratory oxygen ratio (pao2 / fio2) ratio <100 after 2 sessions of prone position - either - an alteration in pulmonary compliance (tidal volume divided by plateau pressure minus positive expiratory pressure) immediately or over the first 96 hours after the start of ards defined by: - immediately: impossibility of maintaining a plateau pressure <30 cm of water in a ventilated patient with a tidal volume of 6 ml / kg of weight predicted by the size and a positive expiratory pressure at 10 cm of water - during the course of the evolution: decrease in compliance by 20% compared to the initial compliance (day of treatment of the intubated and ventilated patient) we define the start date of ards by the day and time when the patient is intubated and ventilated with regard to our definition of covid-19