What does a standard 12-lead ECG record?
A standard 12-lead ECG records the heart’s electrical activity over a brief period.
Study 4 Cardiovascular Diagnostic Tests with 12 free online flashcards. Review key terms, definitions, and concepts with this interactive flashcard deck.
What does a standard 12-lead ECG record?
A standard 12-lead ECG records the heart’s electrical activity over a brief period.
Does an ECG send electricity into the body?
The test is painless and does not send electricity into the body.
Does a normal brief ECG rule out intermittent rhythm problems?
No. A brief ECG may miss intermittent rhythm problems; longer monitoring or further evaluation may be recommended.
What does a stress test evaluate?
It evaluates how the heart responds when its workload increases.
What is monitored during an exercise stress test?
The team monitors ECG, heart rate, blood pressure, symptoms, and exercise tolerance.
How can a stress response be produced when a patient cannot exercise?
Medication may be used to create a stress response when exercise is not appropriate or possible.
Should a patient independently stop medicine before a stress test?
Do not stop or change medicines unless the care team directs you to; some medicines can affect results.
What can exercise-related ST-segment changes suggest?
They may suggest reduced blood supply to the heart, but they are not a diagnosis by themselves.
Where is the probe placed for a TTE?
A transthoracic echocardiogram (TTE) uses a probe on the chest.
How does a TEE obtain images closer to the heart?
A transesophageal echocardiogram (TEE) passes a probe into the esophagus to image the heart from closer range.
What aspects of the heart may an echocardiogram report?
It may describe chamber size, pumping function such as ejection fraction, muscle motion, valves, and blood flow.
When may a patient eat or drink after a TEE?
Wait until throat numbness has worn off and swallowing is safe, as directed by staff.
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