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Questions and Answers
What is Alternating Current (AC)?
What is Alternating Current (AC)?
What is the Angle of Louis?
What is the Angle of Louis?
A ridge about an inch below the suprasternal notch where the main sternum and the low sternum are attached.
What does the anterior axillary line refer to?
What does the anterior axillary line refer to?
Vertical line starting at the front axilla that extends down the left side of the chest.
What is dextrocardia?
What is dextrocardia?
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Define intercostal space.
Define intercostal space.
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What is the midaxillary line?
What is the midaxillary line?
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What does the midclavicular line indicate?
What does the midclavicular line indicate?
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What is the midscapular line?
What is the midscapular line?
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What is the paraspinous line?
What is the paraspinous line?
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Describe the posterior axillary line.
Describe the posterior axillary line.
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What is a seizure?
What is a seizure?
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What is a somatic tremor?
What is a somatic tremor?
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What is the suprasternal notch?
What is the suprasternal notch?
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Define wandering baseline.
Define wandering baseline.
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Study Notes
Alternating Current (AC) Inference
- Alternating current (AC) is characterized by the periodic reversal of charge carriers' direction in conductors or semiconductors.
Angle of Louis
- The Angle of Louis is formed at a ridge located approximately one inch below the suprasternal notch, where the main and lower parts of the sternum connect.
Anterior Axillary Line
- This vertical line begins at the front axilla and extends downward along the left side of the chest.
Dextrocardia
- Dextrocardia is a congenital condition where the heart's apex is positioned on the right side of the body instead of the left.
Intercostal Space
- These are the spaces located between adjacent ribs, playing a crucial role in respiratory mechanics.
Midaxillary Line
- The midaxillary line is a vertical line starting from the center of the axilla, extending down the side of the chest.
Midclavicular Line
- This line runs vertically through the center of the heart, providing reference for cardiac examination and procedures.
Midscapular Line
- The midscapular line, or linea scapularis, is a vertical line that passes through the inferior angle of the scapula, essential for anatomical orientation.
Paraspinous Line
- This line is typically found on frontal chest X-rays, representing the interface between the left lung and the left posterior mediastinal tissues; less commonly observed on the right side.
Posterior Axillary Line
- A vertical line that extends downward from the posterior axillary fold, used for anatomical and clinical references.
Seizure
- A seizure is a neurological disturbance where abnormal nerve cell activity occurs in the brain, resulting in various types of seizures.
Somatic Tremor
- Somatic tremor is one of the three types of artifacts in EKG readings, caused by muscle movement; other types include wandering baseline due to electrode issues and AC interference from electrical sources.
Suprasternal Notch
- The suprasternal notch is a prominent anatomical feature in the neck, located between the collarbone and the base of the neck, recognizable by its large dip.
Wandering Baseline
- A wandering baseline occurs when the isoelectric line shifts position, potentially caused by moving cables during an EKG reading.
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Description
Test your knowledge with these flashcards covering key terms from Chapter 4 of EKG. Each card presents important definitions and concepts related to electricity and anatomy relevant to EKG interpretation. Perfect for students looking to reinforce their understanding of the material.
