ECG interpretation — Flashcards

Atrial repolarization is not seen on an ECG because it is masked by the _____

Atrial _____ is most often caused by a re-entrant current that rotates around the tricuspid annulus

Which electrolyte disturbance causes U waves and flattened T waves on ECG? _____

A(n) positive dromotropic effect decreases the _____ interval on an ECG

_____ is characterized by a chaotic and erratic baseline with no discrete P waves in between irregularly spaced QRS complexes on ECG

_____calcemia = short QT _____calcemia = long QT

Which electrolyte abnormality is most commonly associated with prolonged QT intervals? _____

Atrial fibrillation (no p wave) = starts in _____ Atrial flutter (sawtooth) = starts in _____

Hint: LA/RA

Third Degree (Complete) AV Block has _____ RR intervals atrial rate _____ ventricular rate

Hint: regular/irregular

What is a seizure? _____