Hypercyanotic Spells

  We are all familiar with Tetralogy of Fallot, primarily because it is a great topic for test writers to torture us with questions about.  One of the cool things about pediatric cardiology is that it really makes you consider physiology and plumbing… ok… maybe I’m just a geek.  But, before you judge me too harshly, let us consider the Hypercyanotic Spell (aka, ‘Tet spell’). Hypercyanotic Spell Basics Paroxysmal hypoxemic events, that can lead to quite heroically low oxygen saturations (today the kid in the ED had an initial sat of 20 – that’s on the “low-ish” side I think). … Continue reading Hypercyanotic Spells