11 & 14- ECG Recognition

Question 1

LEAD II
positive p wave =
negative p wave =

Answer 1

\+ = sinus rhythm
- = junctional rhythm

Question 2

P waves of different shapes in the same lead

Answer 2

could be atrial premature beats

Question 3

absent of inverted p waves in lead II

Answer 3

could be junctional premature beats

Question 4

how does a p wave look in junctional rhytms?

Answer 4

absent, inverted or retrograde

Question 5

really long QRS -

Answer 5

wolff-arkinson white syndrome because traveling muscle cell to muscle cell

Question 6

occassional really large wide pqrs

Answer 6

unifocal PVC if they all look the same, multifocal if they look differenct

Question 7

what would a right atrial abnormality look like?

compare to left

Answer 7

tall, normal duration p wave

left would be a normal amplitued with longer duration

these abnormalities indicate that dilation or conduction delay (possibly due to hypertrophy)

Question 8

ST elevation in what leads indicates an inferior infart

Answer 8

II, III, aVF

Question 9

ST elevation in what leads indicates and anterior infact

Answer 9

V1-V3

anterolateral if V1-V5/6