For example, Oglesby Paul writes that "Not all patients with neurocirculatory asthenia have a cardiac neurosis, and not all patients with cardiac neurosis have neurocirculatory asthenia." None of these terms have widespread use.
Oglesby Paul notes that "Neurocirculatory asthenia does not affect every patient with cardiac neurosis, nor do patients with cardiac neurosis necessarily suffer from neurocirculatory asthenia." All of these terms lack widespread usage.