Certified EkG technician (CET) Practice Exam

What symptom should alert the technician to a possible adverse reaction in the patient?

1. Increased heart rate

2. Report of tingling sensations in the lower extremities

3. Faintness during the test

4. Rash on the upper body

The correct answer is: Report of tingling sensations in the lower extremities

A report of tingling sensations in the lower extremities can indicate a neurological response or potential circulatory issue, making it a concerning symptom that warrants further investigation. Tingling sensations, or paresthesia, may arise from various causes, including nerve compression, decreased blood flow, or adverse reactions to medications, particularly if the patient is undergoing a test that involves stress on the cardiovascular system or is administered medications that could affect nervous system function. This symptom could suggest the onset of more serious complications that could compromise the patient's safety during an EKG or other diagnostic tests. Vigilance is required when a patient reports these sensations, as they may lead to a more serious condition such as peripheral neuropathy or indicate other underlying health problems that should be addressed promptly. Compared to the other symptoms listed, such as an increased heart rate, faintness, or a rash, while concerning, they may not signify an immediate threat without additional context or accompanying symptoms. Tingling, particularly when reported by the patient in specific circumstances, can serve as a clear indicator for the technician to intervene and assess the patient's condition more closely.