EKG CCMA Exam Review
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48 Terms
Which of the following is the correct placement for lead V4?
Fifth intercostal space at the midclavicular line
Which of the following types of artifacts does the tracing above contain?
Wandering baseline
In which of the following positions should a medical assistant place a patient when preparing to perform a 12-lead EKG in the office?
Supine
According to the stages of hypertension, which of the following blood pressure readings is considered to be in the elevated stage?
128/78 mm Hg
A medical assistant is performing an EKG on a patient. Which of the following describes the appropriate placement of the electrodes?
Tabs downward on the lower leg
Which of the following is the normal setting for the standardization mark on an EKG?
10 mm/mV
A medical assistant is preparing to perform an EKG test for a patient. In which of the following locations should the assistant place the leg electrodes?
Just above the ankles
A medical assistant is performing an EKG for a patient and notes a life-threatening arrhythmia. Which of the following actions should the assistant take?
Keep the patient hooked up to the machine and notify the provider immediately.
What is the EKG gain of the tracing below?
10mm/mV
If an EKG tracing has an upward and downward movement of the waveform, which of the following types of artifacts is indicated?
Wandering baseline
A medical assistant is preparing to calculate a patient's heart rate from an EKG tracing. Which of the following methods should the assistant use for this calculation?
Divide 1,500 by the number of small boxes between two R waves.
A medical assistant is measuring the vital signs of an adult patient. The assistant should identify which of the following blood pressure readings as stage 2 hypertension?
150/95 mm Hg
Where is V1 placed?
4th intercostal space, right sternal border
Where is V2 placed?
4th intercostal space, left sternal border
Where is V3 placed?
Midway between V2 and V4
Where is V4 placed?
5th intercostal space, midclavicular line
Where is V5 placed?
Anterior axillary line, level with V4
Where is V6 placed?
Midaxillary line, level with V4
Where is the Right Arm (RA) electrode placed?
Right wrist or right upper arm
Where is the Left Arm (LA) electrode placed?
Left wrist or left upper arm
Where is the Right Leg (RL) electrode placed?
Right ankle or lower right leg (ground electrode)
Where is the Left Leg (LL) electrode placed?
Left ankle or lower left leg
Which leads view the septal wall?
V1, V2
Which leads view the anterior wall?
V3, V4
Which leads view the lateral wall?
I, aVL, V5, V6
Which leads view the inferior wall?
II, III, aVF
Which lead normally has a predominantly negative QRS complex?
aVR
V1 and V2 are placed in which intercostal space?
4th
V4 is placed in which intercostal space?
5th
V5 and V6 should be placed:
At the same horizontal level as V4
How many electrodes are used to obtain a standard 12-lead ECG?
10
How many leads does a standard ECG display?
12
Which mnemonic correctly matches the heart regions?
SALI: Septal, Anterior, Lateral, Inferior
Which anatomical structure is commonly known as the breastbone?
Sternum
What is the upper portion of the sternum called?
Manubrium
Which landmark is found where the manubrium meets the body of the sternum?
Sternal Angle (Angle of Louis)
What is the name of the small pointed structure at the bottom of the sternum?
Xiphoid Process
Which bone is commonly referred to as the collarbone?
Clavicle
Which bones form the protective cage around the heart and lungs?
Ribs
A space between two ribs?
Intercostal Spaces (ICS)
The right sternal border refers to:
The right edge of the sternum
The left sternal border refers to:
The left edge of the sternum
What is the midclavicular line?
A vertical line through the midpoint of the clavicle
An imaginary vertical line that extends downward from the front edge of the armpit.
Anterior Axillary Line
An imaginary vertical line that runs through the center of the armpit
Midaxillary Line
The anatomical term for the armpit region
Axilla
Flexible cartilage that connects the ribs to the sternum.
Costal Cartilage