Electrical Muscle Stimulation in the Development of Acquired Weakness in Patients With Severe Sepsis and Septic Shock

Inclusion Criteria: * Subjects admitted to the ICU of the HCUCH in the period between November 2016 to August 2017 and January to June 2018 * Diagnosis of severe sepsis or septic shock * More than 48 hours in VMI * With sedation and / or neuromuscular blockade * Autovalent prior to admission to the ICU Exclusion Criteria: * Subjects from other hospitals / clinics or units of the hospital * Multiple trauma * Previous neuromuscular pathology * Pacemaker users * Pregnant women * BMI\> 35 * Epilepsy * Those who have refused to sign informed consent