![]() ![]() No P waves, or P waves that appear as erratic, irregular base-line fibrillatory waves.Ventricular rhythm grossly irregular, rate 160 to 180 bpm.Atrial rhythm grossly irregular rate > 300 to 600 bpm.Anticoagulation therapy may be necessary.If patient is stable, drug therapy may include calcium channel blockers, beta-adrenergic blocks, or antiarrhythmics.If patient is unstable with ventricular rate > 150bpm, prepare for immediate cardioversion.Heart failure, tricuspid or mitral valve disease, pulmonary embolism, cor pulmonale, inferior wall MI, carditis.QRS complexes uniform in shape but often irregular in rate.Ventricular rate variable, depending on degree of AV block.Atrial rhythm regular, rate, 250 to 400 bpm. ![]() If patient has an ejection fraction less than 40%, consider amiodarone.If patient has normal ejection fraction, consider calcium channel blockers, beta-adrenergic blocks or amiodarone.bolus injection to rapidly convert arrhythmia. If patient is stable, vagal stimulation, or Valsalva’s maneuver, carotid sinus massage.If patient is unstable prepare for immediate cardioversion.Use of caffeine, marijuana, or central nervous system stimulants.Intrinsic abnormality of AV conduction system.Physical exertion, emotion, stimulants, rheumatic heart diseases.When a normal P wave is present, it’s called paroxysmal atrial tachycardia when a normal P wave isn’t present, it’s called paroxysmal junctional tachycardia. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |