CIP critical illness polyneuropathy CIM critical illness myopathy CMAP compound muscl action potentials SNAP sensory nerve action potential EMG electromyogram SIRS systematic inflammatory response syndrome In 1955 observed a polyneuropathy after shock or cardiac arrest In 1961 described “coma-polyneuropathies” In 1971 described a polyneuropathy in patients with burns in 1977 severe polyneuropathy about septic patientsBy 1983 the term “critical illness polyneuropathy”(CIP) was appliedRecently th