ventricular Flashcards

1
Q

are p waves present in a PVC

A

no

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2
Q

describe QRS in PVC

A

widened

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3
Q

causes of PVCs

A

ischemia
electrolytes
hypoxia
caffeine
stress

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4
Q

treatment of PVCs

A

not all require
if they complain of palpitations…
-beta blockers, amiodarone
-treat underlying condition
-oxygen

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5
Q

what kind of PVC only occurs once

A

unifocal

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6
Q

multifical PVCs

A

happen several times, not regualrly

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7
Q

PVC occurs every other beat

A

ventricular bigeminy

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8
Q

PVC occurs every third beat

A

ventricular trigeminy

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9
Q

when PVCs occur so early that they fall on the T wave of preceding beat

A

R on T phenomenon

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10
Q

why is R on T dangerous

A

cardiac cells have not repolarized

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11
Q

PVCs that occur in pairs

A

couplets

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12
Q

PVC occurs between 2 regular complexes, does not interfere with regular cycle

A

interpolated PVC

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13
Q

does v tach have pulse

A

maybe … maybe not

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14
Q

ventricular rate of v tach

A

150-250

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15
Q

describe p waves and QRS in v tach

A

no P, wide QRS

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16
Q

causes of v tach

A

hypoxia
MI
electrolytes
meds
stimulants
stress

17
Q

treatment of v tach

A

treat cause
amiodarone, lidocaine
cardiovert if pulse
defibrillate if pulseless

18
Q

does v fib have pulse

A

no

19
Q

ventricular rate of v fib

A

> 250

20
Q

P/QRS in vfib

A

no P
no QRS, looks like static

21
Q

causes of v fib

A

meds (Stimulants)
hypoxia
MI
caffeine
stress
electrolyte

22
Q

treatment of vfib

A

DEFIBRILLATE
CPR
meds (epi, vasopressin, amiodarone, lidocaine)
oxygen (ETT placed)

23
Q

is there a pulse in pulselessness electrical activity (PEA)?

A

no

24
Q

what does EKG look like in PEA

A

weak, low amplitude, slow, regular, same in each lead

25
Q

causes of PEA

A

profound cardiac damage (or other damage)
cardiac tamponade, PE, electrolytes, drugs, acidosis, hypoxia

26
Q

treatment of PEA

A

CPR
meds (epi, vasopressin)
oxygen
fix cause

27
Q

no electrical activity or mechanical activity (pulse)

A

asystole

28
Q

is asystole shocked

A

no

29
Q

cause of asystole

A

profound cardiac damage

30
Q

treatment of asystole

A

CPR
meds (epi, vasopressin)
oxygen (ETT consideration)