電解質(zhì)與心律失常關(guān)系-資料下載頁
2025-05-14 22:23本頁面
【正文】 yperkalemia Pseudoinfarction pattern from hyperkalemia ? Pseudoinfarction pattern from hyperkalemia is tachycardia at a rate of 130 beats per minute is present. The ST segment is elevated in V1 and V2, raising the possibility of acute anteroseptal myocardial infarction. However, the T wave is very tall, narrow, pointed, and tented。 and the QRS is wide, measuring 140 msec. ? These findings are characteristic of hyperkalemia. It is well known that hyperkalemia can cause STsegment elevation (pseudoinfarction pattern or dialyzable current of injury). ? This tracing is from a patient with a serum potassium level of mEq/L during diabetic ketoacidosis, who also is in renal failure and taking an angiotensinconverting enzyme inhibitor 尿毒癥高鉀 竇室傳導(dǎo) 竇室傳導(dǎo) ECG表現(xiàn)： QRST序列 Hypocalcemia and hyperkalemia ? Hypocalcemia and hyperkalemia is correct. ? Discussion ? The QT interval is long. When the long QT interval is due to a long ST segment with a delayed onset of the T wave, it is specific for hypocalcemia. Besides, the T waves are tall, narrow, and pointed and are highly suggestive of hyperkalemia. This bination of electrolyte problems is mon in patients with chronic renal failure, which this patient has. The serum potassium level was mEq/L and calcium mg/dL at the time. ? Hypokalemia is correct. ? Discussion ? In leads V13, the T waves are shallowly inverted and are followed by a prominent U wave. These findings are highly suggestive of hypokalemia. The serum potassium was mEq/L at the time. 低血鉀的 ECG表現(xiàn) 低鉀 +奎尼丁： Tdp Thank
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