ECG interpretation — Flashcards

Flashcard 21: (-) QRS in lead I (+) QRS in lead II or aVF frontal axis of depolarization = _____

Answer: right deviation

Extra:  https://onlinemeded.org/spa/cardiology?ref=anki 

Flashcard 22: What EEG waveform is emitted when awake with eyes closed? _____

Answer: Alpha

Flashcard 23: What EEG waveform is emitted when awake with eyes open? _____

Answer: Beta (highest frequency, lowest amplitude)

Flashcard 24: The end of rapid ventricular ejection corresponds with the onset of the _____ wave on ECG

Answer: T

Flashcard 25: The _____ on ECG represents the entire period of ventricular depolarization, contraction, and repolarization

Answer: QT interval

Flashcard 26: The duration of the P wave correlates with the _____ through the atria

Answer: conduction velocity

Flashcard 27: The _____ on ECG is an isoelectric period (horizontal line) when the ventricles are depolarized

Answer: ST segment

Flashcard 28: The onset of reduced ventricular ejection corresponds with the onset of the _____ wave on ECG

Answer: T

Flashcard 29: What stage of sleep has a sleep EEG waveform with a low voltage pattern that often appears 'saw toothed'? _____

Answer: REM sleep

Flashcard 30: A lesion of the vestibular nuclei or nerve produces a vestibular-evoked _____ (vestibulo-ocular reflex)

Answer: nystagmus