13 Understanding the ECG Flashcards by Tommy Chien | Brainscape

Q

What does the smallest square indicate on ECG

A

04 s

0. 1 mV

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Q

Define normal QRS axis, left axis and right axis

A

Normal: -30 to 90 degrees
Left: -30 to -90 degrees
Right: 90 - 180 degrees

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Q

True or false: chest leads are negative pole

A

False, they are positive

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