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CV: Exam 1 > CV II EKG > Flashcards

CV II EKG Flashcards

1
Q

Atrial hypertrophy

A

Lead V1
assess atrial enlargement
biphasic P wave (+=RA, -=LA)

Leads II, III, aVF : increased amplitude

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2
Q

Ventricular hypertrophy

A 
V1: 
biphasic P wave 
RVH= large R wave 
LVH: large S wave 
V5:
large R wave

LVH: DKG of S wave in V1+ R wave in V5?35mm
inverted T waves
Strain patters and depressed humped ST

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3
Q

strain pattern

A

in LV is enlarged it is training
repolarization is abnormal
=asymmetrical and scooping ST segments

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4
Q

Infarction

A

ST depression

T wave inversion

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5
Q

acute myocardial injury

A

ST elevation if transmural infarction

“fireman’s hat sign”

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6
Q

necrosis

A

Q waves present

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7
Q

inferior MI

A

II, III, AVF

RCA

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8
Q

anterior MI

A

V1-4

LAD

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9
Q

Lateral MI

A

I, AVL, V5-6

Circumflex

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10
Q

LBBB

A

EKG is INVALID dx tool for acute MI

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11
Q

hyperkalemia

A

flat and wide P
Wide QRS
Peaked T
IN ALL LEADS

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12
Q

Hypokalemia

A

flat T

prominent U

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13
Q

Hypercalcemia

A

short QT interval

wide T wave

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14
Q

Hypocalcemia

A

Long QT

flat T waves

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15
Q

hypothermia

A 
sinus bradycardia
long PR 
wide QRS
prolonged QT
osborn wave = extra deflection at the end of the QRS
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16
Q

Pericarditis

A

ST segment elevation that is flattened
T wave elevated off baseline

present in all leads!! looks like an MI in all leads

PR depression

17
Q

pericardial effusion

A

QRS complexes in the same lead that are in opposite directions (heart is swinging back and forth in a bag of water)

18
Q

Paced rhythm

A 
sharp depolarizations (spikes) 
unable to interpret anything beyond its a paced rhythm

can be atrial (spike b4 P wave), ventricular (after P wave), or AV sequential pacers (spike before and after P wave- CHF)

19
Q

dextrocardia

A 
aVR is positive 
I= negative 
II= negative 
III= positive 
V1=largest 
V6=smallest
20
Q

brugada syndrome

A

ECG patter of RBBB and persistent ST elevation V1-3

abnormal QRS that looks like a saddle

CV: Exam 1 (13 decks)

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