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ALS > Heart stuff > Flashcards

Heart stuff Flashcards

1
Q

what comes under Non ST elevation ACS?

A

NSTEMI
Unstable angina

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2
Q

what is unstable angina?

A

crescendo angina
not on exertion
long episode

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3
Q

what is LBBB on ecg?

A

dominant S wave in v1
broad R wave in v6 and lat leads

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4
Q

what should new LBBB make you think?

A

?ACS

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5
Q

what are anterior leads? supply?

A

V1-4
LAD

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6
Q

what are lateral leads? supply?

A

V5-6
circumflex (off LAD)

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7
Q

what are inferior leads? supply?

A

I, II, avF
RCA

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8
Q

what are posterior leads? supply?

A

ST depression in anterior leads
RCA

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9
Q

what is s1 QT3?

A

S wave in lead I

deep Q wave
T wave inversion
lead III

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10
Q

stemi Tx?

A

aspirin 300mg
GTN
analgesia
PCI in 12hrs of symptoms/120mins to table

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11
Q

normal QT length?

A

0.35 - 0.44

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12
Q

what is P wave in ECG?

A

depol of atria

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13
Q

what is PR interval in ECG?

A

AV node delay (ventricles fill)

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14
Q

what is QRS in ECG?

A

depol of ventricles

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15
Q

what is ST in ECG?

A

ventricles repolarising

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16
Q

what is T wave in ECG?

A

ventricules replarising

17
Q

where is SA node?

A

in RA

18
Q

normal length of QRS?

A

0.12

19
Q

normal length of PR?

A

0.12-0.20

20
Q

how to calculate HR on ecg?

A

qrs in 30 large square x10

21
Q

where do ectopic come from if QRS is narrow?

A

atrial

22
Q

where do ectopic come from if QRS is broad?

A

ventricular

23
Q

what is mobits 1?

A

increasing PR and dropped p wave

24
Q

what is mobits 2?

A

constant prolonged PR
usually 2:1/3:1

25
Q

what is 1st degree AV block?

A

PR >300ms

26
Q

what is 3rd degree heart block?

A

no relationship between QRS and P

27
Q

postions of defib pads?

A

R mid clavicular and
L v6 position

28
Q

what J is manual defib?

A

120-150J

29
Q

what do you do in percutaneous pacing?

A

thump L sternal edge and see if QRS is een on ECG

30
Q

what do you do in transcutaneous pacing?

A

Pads on
increase output while watching ECG
looking for pacing spike before QRS

31
Q

Tx for SVT?

A

vagal manouvres
6mg adenosine (then 12 then 18mg)

32
Q

bradyarrythmia and adverse features Tx?

A

500mcg atropine
repeated every 3-5mins

33
Q

Tx for narrow QRS regular tachycardia?

A

vagal manouvres

adenosine 6mg

verapamil/Bblocker

34
Q

Tx for broad QRS tachycardia?

A

VT (could be SVT with BBB)

amiodarone 300mg

35
Q

what should the shock in cardioversion coincide with?

A

R wave

36
Q

shock rate for AF and a fluter?

A

AF - highest
A flutter - 70 to 120

ALS (4 decks)

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