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16 Cards in this Set
- Front
- Back
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what type of arrhythmias are more dangerous?
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ventricular
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what are 7 caused of ventricular arrhythmias?
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ischemia
cardiomyopathy ventricular scarring/aneurysm toxins drugs pre-excitation dysplasia |
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what are 3 symptoms of ventricular ectopy?
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none
moderately debilitating palpitations occasional near syncope/syncope |
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how do you treat ventricular ectopy?
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no intervention in majority
beta blocker for significantly symptomatic patients avoidance of stimulants |
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what will v tach look like on an EKG? (3)
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regular rate with 120-180bpm
wide QRS complex no p waves |
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how do you differentiate v tach from a tach?
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wide QRS
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what is non sustained v-tach?
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less than 30 beats
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what is sustained v-tach?
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greater than 30 beats
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what are 4 symptoms of v tach?
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may be asymptomatic
usually associated with light headedness/syncope occasional anginal pain occasional dyspnea or even CHF |
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how do you treat non sustained v tach?
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you don't (unless the pt can't tolerate it)
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how do you treat sustained v-tach? (4)
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cardioversion
antiarrhythmics implantable defibrillator ablation |
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if ischemic disease is present in v-tach, what treatment is preferred?
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beta blocker
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when should you use caution when prescribing antiarrhythmics in v-tach?
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if LV function is poor
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what will v-fib look like on EKG? (3)
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grossly irregular waveforms with varying morphology
variable rate but very rapid often unable to distinguish distinct QRS complexes |
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what are 3 symptoms of v-fib?
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sudden syncope and pulselessness
results in death unless cardioverted rarely converts spontaneously |
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how do you treat v-fib? (4)
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cardiovert
precordial thump and chest compression antiarrhythmics in sequence implantable defibrillator if successfully resuscitated |
