instruction: what is the number of patients whose diagnoses short title is dmi renl nt st uncntrld and procedure short title is infusion of vasopressor?
response: SELECT COUNT(DISTINCT demographic.subject_id) FROM demographic INNER JOIN diagnoses ON demographic.hadm_id = diagnoses.hadm_id INNER JOIN procedures ON demographic.hadm_id = procedures.hadm_id WHERE diagnoses.short_title = "DMI renl nt st uncntrld" AND procedures.short_title = "Infusion of vasopressor"