see also: [[Heart Block|AV Block]], [[Pacemaker issues]], [[Transcutaneous pacing]], [[Pulse pressure]], [[APLS#paeds bradycardia|APLS bradycardia]] see: [Bear - Bradyarrhythmias](bear://x-callback-url/open-note?id=2EE3788D-256C-4F72-9E2E-33E71B6D3199-4834-00000159558B9022), [electrophysiology - bradycardias](x-devonthink-item://87D74BA0-5EED-48AD-A90A-87E39731CB57), [Hayes' - sinus nodal dysfunction](x-devonthink-item://87CF2B52-AD63-4943-ACA7-A30E466464DF) ![[bradymath.jpg]] #incomplete Rare-causes: - oculo-cardiac reflex of paediatric facial fractures - [Bezold-jarisch reflex](https://litfl.com/bezold-jarisch-reflex/)