| Line 1: |
Line 1: |
| − | ===Types of Sinus Cardiac Rhythms=== | + | {{frontpage |
| − | ====1. [[Sinus Rhythms]]==== | + | |pagetitle =Sinus Cardiac Rhythms |
| | + | |pagebody = |
| | + | |contenttitle =Content |
| | + | |contentbody =<big><b> |
| | + | <categorytree mode=pages>Sinus Cardiac Rhythms</categorytree> |
| | | | |
| | + | </b></big> |
| | + | |logo =Heart logo.jpg |
| | + | }} |
| | | | |
| | | | |
| | | | |
| − | ====2. [[Sinus Arrhythmias]]====
| |
| − |
| |
| − |
| |
| − | ====3. Sinus Bradycardias====
| |
| − |
| |
| − | *Characterised as a normal sinus rhythm with an abnormally slow heart rate
| |
| − |
| |
| − | *Caused by: pathologic conditions, drug reactions, physiologic conditions: athletic animals, calm animals, sleeping animals
| |
| − |
| |
| − |
| |
| − | '''Treatment:''' Usually unnecessary unless clinical signs due to reduced cardiac output remain
| |
| − |
| |
| − | *Treat the underlying condition
| |
| − |
| |
| − | *Drugs used to treat sinus bradycardias: atropine, isoprenaline, glycopyrrolate
| |
| − |
| |
| − | ====4. Sinus Tachycardia====
| |
| − |
| |
| − | *Characterised as a normal sinus rhythm with an abnormally fast heart rate
| |
| − |
| |
| − | *Caused by: pathological conditions, drug reactions, physiologic conditions: pain, exercise, excitement
| |
| − |
| |
| − |
| |
| − | '''Treatment:''' Usually unnecessary unless clinical signs remain
| |
| − |
| |
| − | *Treat the underlying condition
| |
| − |
| |
| − |
| |
| − | ====5. Sinus Arrest & Sinus Block====
| |
| − |
| |
| − | *Sinus arrest occurs when the sinoartial node fails to discharge resulting in a pause of the normal heart rhythm.
| |
| − |
| |
| − | *Sinus block occurs when the sinoatrial node fails to conduct the wave of depolarisation resulting in a pause of the normal heart rhythm.
| |
| − |
| |
| − | *The presence of a sinus arrest on an ECG would be characterised by an absence of P-QRS-T complexes for more than two R-R intervals.
| |
| − |
| |
| − | *The presence of a sinus block on an ECG would be characterised by an absence of P-QRS-T complexes for twice the R-R interval.
| |
| − |
| |
| − |
| |
| − | '''Treatment:'''
| |
| − |
| |
| − | *Treat the underlying condition
| |
| − |
| |
| − | *Drugs used in the treatment of sinus arrest and sinus blocks are the following: glycopyrrolate, isoprenaline, atropine
| |
| | [[Category:Arrhythmia]] | | [[Category:Arrhythmia]] |