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A fib
- 1. What is A-Fib tion tanding of Atrial Fibrilla A simple Unders By Devon Lewis RN, BSN
- 2. Wh at is A-Fib? ● A-fib is a heart condition that affects many people. ● It is an irregular heart rhythm that can have serious consequences if not addressed or regulated.
- 3. electrical conduction The heart's ● In a normal heart rhythm the Sinoatrial (SA)node produces an electrical current. ● This current stimulates the heart and causes it to contract and beat.
- 4. electrical conduction The heart's ● The SA node controls the heart to beat 60-100 beats/min.
- 6. S ome Cause s of A-Fib ● Heart Attack ● High Blood Pressure ● Hyperactive Thyroid ● Heart Defects ● Sick Sinus Syndrome ● Viral infection ● Surgery ● Stimulants ● Sleep Apnea ● Heart Defects Source Mayo Clinic
- 7. The onset of A-Fib ● The heart's electrical system goes haywire from a condition priorly mentioned. ● The electrical signal comes from a place above the SA node.
- 8. The onset of A-Fib ● The atrium starts to quiver from this electrical disturbance. ● The heart rate becomes irregular.
- 9. The onset of A-Fib ● The heart rate can become 120 even up above 170 beats/min. ● The SA node is no longer in control of regulating the heart rate.
- 11. The onset of A-Fib ● With a rapid heart rate one can become short of breath and light headed and hypotension (low blood pressure).
- 12. A-Fib untreated ● Can cause blood clots to form because blood in the atrium becomes stagnant. ● Blood from the left ventricle can shoot a clot into the brain causing a stroke (see next slide).
- 14. A -Fib untrea ted cont. ● A-fib untreated can also cause heart failure.
- 15. A-Fib treatments ● Cardioversion (shocking the heart) ● Medications to control rate and rhythm cardizem, amiodarone, etc. ● Sometimes the heart converts to regular rhythm on its own.
- 16. -Fib treatm ents cont. A ● The use of anticoagulants to prevent blood clots, such as Coumadin or Pradaxa
- 17. -Fib treatm ents cont. A ● If a heart rate can not be controlled by medications an ablation (burning of) SA node and placement of a pacemaker may be necessary.
- 18. The End. ● This is just for general educational information.