ECG 6 - Misc

Question 1

high K - ? ? T waves, ? QRS, ? PR interval

low K - T wave ? and a ? wave on the ? of the T wave

Answer 1

tall tented
wide
prolonged

flattened
U
end

Question 2

high calcium - QT ?

low calcium - QT ?

Answer 2

shortening

prolongation

Question 3

WPW

• some have an accessory conducting ? alongside the bundle of His, usually on ? side of heart, and unconnected to the ?
• there is no AV ? - pre excitation occurs - gives ? PR interval and the QRS shows an ?, slurred ? called a delta wave
• the 2nd part of QRS is ? as the bundle of his conduction catches up

Answer 3

bundle
left
AVN

block
short
early
upstroke

normal

Question 4

WPW

• ECG is in ? rhythm, but there is ? axis dev, ? PR interval and ? QRS with ? wave of pre excitation
• only clinical importance of this is that it can cause ? ?
• > excitation spreads from bundle of his back up the ? pathway, creating a ? circuit and ? (no ? waves)

Answer 4

sinus
right
short
widened
delta
paroxysmal tachycardia
accessory
re-entry
tachy p