Electrocardiogram (ECG) Test
Health Checkups
≈ ¥60-200
(≈ $8-30)
15 min
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Description
Estimated cost for Electrocardiogram (ECG) Test at general public hospitals in China is about ¥40-160, and at Grade 3A hospitals about ¥60-200, varying by hospital tier and region.
Main Uses
The primary purposes of an ECG include diagnosing heart rhythm disturbances, detecting evidence of coronary artery disease, assessing the function of the heart's electrical conduction system, and identifying signs of heart enlargement or damage. It is commonly used in emergency settings to evaluate chest pain, palpitations, and shortness of breath, as well as part of routine health check-ups and pre-operative assessments.
Normal Range
A normal ECG (Electrocardiogram) shows a heart rate between 60-100 beats per minute, PR interval of 0.12-0.20 seconds, QRS duration less than 0.12 seconds, and QT interval corrected for heart rate (QTc) between 0.35-0.44 seconds. The P wave is typically upright in leads I, II, aVF, V4-V6, with an amplitude less than 0.25mV in limb leads and less than 0.2mV in chest leads. The T wave is normally upright in leads I, II, V3-V6.
Low Values - Possible Causes
Bradycardia (heart rate below 60 bpm), hypothyroidism, electrolyte imbalances such as hyperkalemia, certain medications like beta-blockers or calcium channel blockers, and conditions affecting the sinoatrial node.
High Values - Possible Causes
Tachycardia (heart rate above 100 bpm), hyperthyroidism, fever, dehydration, anxiety or stress, physical exertion, and certain arrhythmias such as atrial fibrillation or ventricular tachycardia.