Weak respiratory muscles may suddenly fatigue, producing precipitous respiratory collapse. Elective intubation is preferable to emergency intubation or respiratory arrest. The standard 20/30 rule (FVC less than 20 ml/kg or NIF less than 30 cmH20) are the best indicators of the need for ventilator support.
Imminent lawless action is a term used in the United States Supreme Court case Brandenburg v. Ohio (1969) to define the limits of constitutionally protected speech. The decision overturned the decision of the earlier Schenck v. United States (1919), which had established clear and present danger as the constitutional limit for speech.
In deciding whether a particular law or action violates the Equal Protec-tion Clause, courts have used three distinct tests. Th ese tests are diï¬ cult to describe precisely or apply mechanically and therefore, in practice, the facts of the case may be just as important as the particular test employed by the court.