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Ventricular Dysrhythmias (Advent Health) 2024/2025 graded A+ by experts
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Ventricular Dysrhythmias (Advent Health) 2024/2025 graded A+ by experts
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Ventricular Dysrhytmias (Advent Healht)What is the most lethal type of dysrhtmias? - ANSventricular dysrhytmias
What is a single ectopic beat that comes from the ventricles? - ANSPVC
On a PVC what are the characteristics of that one QRS?? - ANS1. its distoreted/bizarre/jagged
2. the QRS is greater than 0.12 secs
3. different from the underlying rhythm
4. there is no P wave associated
5. the T wave is opposite of the QRS deflection
T or F: PVS are not uncommon to healthy hearts - ANSTrue
What are some symptoms of PVCs? - ANS1. discomfor in chest or neck
2. palpitations
3. skipped heart beats
What are the different types of treatment for PVCs? - ANS1. identify the underlying cause
-administer ozygen
-need for electrolyte replacement
-medication
What does multifocal PVCs mean? - ANS-the PVCs arise from different part of the ventricle
-the PVCs looks different from each other
What is much worse multifocal PVCs or unifocal PVCs? - ANSmultifocal PVCs
How many abnormal PVCs for it to be considered ventricular tachycardia? - ANS3 in a row or
more
What do you call PVCs that occurs every other beat? - ANSBigeminal PVCs
What do you call PVCs that occurs every 3rd beat? - ANStrigeminal PVCs
What do you call PVCs that occurs every 4th beat? - ANSquadrigeminy
Describe a couplet PVCs. - ANSwhen two PVC occurs back to back
What is a R on T PVC? - ANSthats when the PVC starts at the end of the T beat, this should be
considered as an emergency because they could be sent into a ventricular fibrillation
, T or F: in a ventricular tachycardia P waves will never be present - ANSFalse, it can be present
but they are random and will not correlate with the QRS
What are the ECG characteristics of V-tach? - ANS1. rhythm is regular
2. ventricular rate is 100 bpm, Atrial is not discernable
3. if P waves are present they do not correlate with the QRS
4. PRI is non measurable
5. QRS are wider than normal
What is the first thing to do if patient with V tach? - ANScheck the pulse
What is the treatment for patient with Vtach but has a pulse and stable - ANS1. oxygen
2. 12 lead ecg
3. IV access
4. antiarrhytmics
5. elective carioversion
What is the treatment for patient with vtach but has a pulse and UNSTABLE? - ANSimmediate
cardioversion
What is the treatment for patient with vtach and no pulse? - ANScall code and initiate CPR
What is the difference between sustained and non sustained ventricular tachycardia? -
ANSsustained last longer than 30 secs
What is the treatment for pulseless V-tach and V-fib? - ANS1. call code
2. begin CPR
3. Defibrillate
4. after initial shock start CPR again for 2 min and assess pulse
What type of fluid can be administered during rescucitation? - ANS1. isotonic
-NS
-lactated ringers
What is the pharmacologic therapy during rescucitation? - ANS1. Vasopressors (EPI) first then
CPR then consider giving antiarrhytmic med during the next cpr cycle then repeat the cycle
2. amidarone, lidocaine, and magnesium (anti arrhytmics) can be given if patients are
unresponsive to CPR, defibrillation, and a vasopressor
What are the considerations regarding epi during rescucitations? - ANS1. given as 1mg dose
IV/IO
2. no limited to the amount you can administer
3. dose can be given every 3-5 min (one CPR cycle, give med, do another CPR cycle, then skip
EPI give anti arrhytmic, start another CPR cycle, then, give epi...)
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