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EKG and Electrocardiography Flashcards

7 cards from real RMA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 EKG and Electrocardiography flashcards as text

  1. A heart rate below 60 beats per minute is termed:

    Answer: Bradycardia

    Bradycardia is defined as a heart rate under 60 beats per minute.

  2. Which precordial lead is placed in the fifth intercostal space at the left midaxillary line?

    Answer: V6

    V6 is positioned at the fifth intercostal space along the midaxillary line.

  3. A chaotic, irregular baseline with no identifiable P waves or QRS complexes most likely indicates:

    Answer: Ventricular fibrillation (a possible emergency)

    Ventricular fibrillation produces disorganized waveforms and is a life-threatening emergency requiring immediate attention.

  4. The QT interval on an EKG measures the time from:

    Answer: Start of QRS to end of T wave

    The QT interval spans ventricular depolarization through repolarization, from QRS onset to T-wave end.

  5. How many electrodes are placed on the patient to record a standard 12-lead EKG?

    Answer: 10 electrodes

    A standard 12-lead EKG uses 10 electrodes: four on the limbs and six on the chest.

  6. After completing an EKG, the RMA should do what before the physician reviews it?

    Answer: Label the tracing with patient name, date, and time

    Proper patient identification on the tracing ensures accurate documentation and interpretation.

  7. Which of the following is an augmented limb lead?

    Answer: aVF

    aVF is one of the three augmented unipolar limb leads, along with aVR and aVL.