Ecg Flashcards
(26 cards)
Which leads show the inferior view of the heart?
II
III
aVF
Which vessel corresponds to the inferior view of the heart?
RCA
Which leads correspond to the anterolateral view of the heart?
I
aVL
V5
V6
What vessel corresponds to the anterolateral views of the heart?
Left circumflex
What vessel corresponds to the anteroseptal view of the heart?
LAD
Which leads can a problem with LAD be detected in?
V2-4
Which leads correspond to the anterior heart?
V2-6
What vessel is effected if a problem is seen in leads V2-6
Left main stem
Which leads represent the posterior view of the heart?
V1, 2, 3 (recip)
What vessel supplies the posterior heart?
RCA
What is the rhythm in AF?
No discernable P eaves
Irregularly irregular QRS
What s the rhythm in atrial flutter?
Saw tooth baseline
Which leads are positive if the axis is normal?
I and II
What is a leaving axis?
I positive
II negative
LAD
What is a reaching axis?
I negative
II positive
RAD
What is a wide QRS?
> 120s
What causes a depressed PR internal?
Pericarditis
In which leads would T wave inversion be abnormal?
I, II, V4-6
What are the features of first degree heart block?
PR >200ms
What are the features of 2nd degree heart block wenckebach/mobitz 1?
Progressive lengthening of PR interval
One non conducted P wave
Next conducted beat has a shorter PR interval
What are the features of 2nd degree heart block mobitz 2?
Constant PR
Occasional non conducted P wave
Often wide QRS
What are the features of 3rd degree heart block?
Dissociation between P and QRS
Abnormal shaped QRS due to ventricular origin
What are the features of VT?
No P waves
Regular, wide QRS
No T wave
What are the features of VF?
Shapeless, rapid oscillations and no organised complexes
