ECG interpretation US Medical PG Flashcards - Medical Study Cards
Master ECG interpretation with OnCourse flashcards. These spaced repetition flashcards are designed for medical students preparing for NEET PG, USMLE Step 1, USMLE Step 2, MBBS exams, and other medical licensing examinations.
ECG interpretation Flashcard Deck - 34 Cards
Flashcard 1: The _____ refractory period refers to the period in which a(n) conductive action potential cannot be generated
Answer: effective
Extra:
https://onlinemeded.org/spa/cardiac/arrhythmias/acquire?ref=anki
Flashcard 2: Hypo-kalemia induced arrhythmias may present on ECG with _____ waves at the end of the T wave
Answer: U
Extra:
Sketchy Pharmacology: Cardiovascular (Antiarrhythmics)
Watch Class V [https://dashboard.sketchy.com/study/medical/courses/medical-pharmacology/units/medical-pharmacology-cardiovascular-renal/videos/medical-pharmacology-cardiovascular-and-renal-antiarrhythmics-class-v?utm_source=anki&utm_medium=partnership&utm_campaign=february_update&utm_content=medical]
https://onlinemeded.org/spa/cardiac/arrhythmias/acquire?ref=anki
Flashcard 3: A(n) negative dromotropic effect increases the _____ interval on an ECG
Answer: PR
Extra:
https://onlinemeded.org?ref=anki
Flashcard 4: The output of the Purkinje cells is always _____
Answer: inhibitory
Extra:
https://onlinemeded.org/spa/neurology?ref=anki
Flashcard 5: The _____ on ECG represents the entire period of ventricular depolarization, contraction, and repolarization
Answer: QT interval
Extra:
Watch associated Bootcamp video [https://app.bootcamp.com/med-school/cardiology/videos/cardiac-cycle?index=6]
https://onlinemeded.org?ref=anki
Flashcard 6: Phase _____ of the myocardial action potential is characterized by rapid upstroke/depolarization
Answer: 0
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/cardiology/videos/Cardiac%20Conductive%20Physiology?index=6]
https://onlinemeded.org/spa/cardiac/arrhythmias/acquire?ref=anki
Flashcard 7: If the stereocilia are bent toward the kinocilium, the hair cell _____-polarizes
Answer: de
Extra:
Watch associated Bootcamp video [https://app.bootcamp.com/med-school/histology/videos/ears?index=2]
https://onlinemeded.org/spa/neurology?ref=anki
Flashcard 8: The _____ on ECG is the time from the initial depolarization of the atria to the initial depolarization of the ventricles
Answer: PR interval
Extra:
https://onlinemeded.org?ref=anki
Flashcard 9: Conduction velocity is increased when the time constant is _____
Answer: decreased
Extra:
Watch associated Bootcamp video [https://app.bootcamp.com/med-school/neurology/videos/conduction-physiology?index=6]
https://onlinemeded.org/spa/general-pharmacology/general-principles/acquire?ref=anki
Other:
Flashcard 10: The end of rapid ventricular ejection corresponds with the onset of the _____ wave on ECG
Answer: T
Extra:
Watch associated Bootcamp video [https://app.bootcamp.com/med-school/cardiology/videos/cardiac-cycle?index=6]
https://onlinemeded.org?ref=anki
Flashcard 11: Atrial repolarization is not seen on an ECG because it is masked by the _____
Answer: QRS complex
Extra:
https://onlinemeded.org?ref=anki
Flashcard 12: Atrial _____ is most often caused by a re-entrant current that rotates around the tricuspid annulus
Answer: flutter
Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/cardiology/videos/atrial-arrhythmias?index=4]
https://onlinemeded.org/spa/cardiology/acls-easy/acquire?ref=anki
vs. atrial fibrillation ↔ pulmonary veins
Flashcard 13: Which electrolyte disturbance causes U waves and flattened T waves on ECG?
_____
Answer: Low K+ (hypokalemia)
Extra:
Watch Potassium Disorders [https://dashboard.sketchy.com/study/medical/courses/medical-pathophysiology/units/medical-pathophysiology-renal/videos/medical-pathophysiology-renal-volume-electrolyte-and-acidbase-disorders-potassium-disorders?utm_source=anki&utm_medium=partnership&utm_campaign=february_update&utm_content=medical] Watch associated Bootcamp video [https://app.bootcamp.com/med-school/nephrology/videos/electrolytes?index=4]
https://onlinemeded.org/spa/nephrology/potassium/acquire?ref=anki
Flashcard 14: A(n) positive dromotropic effect decreases the _____ interval on an ECG
Answer: PR
Extra:
https://onlinemeded.org?ref=anki
Flashcard 15: _____ is characterized by a chaotic and erratic baseline with no discrete P waves in between irregularly spaced QRS complexes on ECG
Answer: Atrial fibrillation
Extra:
https://onlinemeded.org?ref=anki
Flashcard 16: _____calcemia = short QT
_____calcemia = long QT
Answer: Hyper
Extra:
https://onlinemeded.org?ref=anki
Flashcard 17: Which electrolyte abnormality is most commonly associated with prolonged QT intervals?
_____
Answer: Hypocalcemia
Extra:
https://onlinemeded.org/spa/nephrology/calcium/acquire?ref=anki
Flashcard 18: Atrial fibrillation (no p wave) = starts in _____
Atrial flutter (sawtooth) = starts in _____
Answer: LA (pulmomary vein)
Extra:
https://onlinemeded.org?ref=anki
Flashcard 19: Third Degree (Complete) AV Block has
_____ RR intervals
atrial rate _____ ventricular rate
Answer: regular
Extra:
https://onlinemeded.org/spa/cardiology?ref=anki
Flashcard 20: What is a seizure?
_____
Answer: Synchronous firing of the awake brain
Extra:
https://onlinemeded.org/spa/pediatrics/seizures/acquire?ref=anki
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
Flashcard 31: In the action potential of axons, K+ ion permeance is highest during the _____ phase of the action potential
Answer: repolarization
Flashcard 32: What sleep EEG waveform has the lowest frequency and highest amplitude? _____
Answer: Delta
Flashcard 33: The _____ on ECG is the junction between the end of QRS complex and start of ST segment
Answer: J point
Flashcard 34: The _____ on ECG is the time from the initial depolarization of the atria to the initial depolarization of the ventricles
Answer: PR interval
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