Electrolyte Disorders: Difference between revisions
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==Hypercalcemia== | |||
Hypercalcemia results in a faster repolarization. Characteristics of hypercalcemia: | Hypercalcemia results in a faster repolarization. Characteristics of hypercalcemia: | ||
*mild: broad based tall peaking T waves | *mild: broad based tall peaking T waves | ||
*severe: extremely wide QRS, low R wave, disappearance of p waves, tall peaking T waves. | *severe: extremely wide QRS, low R wave, disappearance of p waves, tall peaking T waves. | ||
==Hypocalcemia== | |||
ECG-characteristics of hypocalcemia: | ECG-characteristics of hypocalcemia: | ||
*narrowing of the QRS complex | *narrowing of the QRS complex | ||
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*prolonged ST and ST-depression | *prolonged ST and ST-depression | ||
==Hyperkalemia== | |||
[[Image:ecg_hyperkaliemie.jpg|thumb| Extreme hyperkalemia. No p-waves, wide QRS, tall peaking T waves.]] | [[Image:ecg_hyperkaliemie.jpg|thumb| Extreme hyperkalemia. No p-waves, wide QRS, tall peaking T waves.]] | ||
[[Image:ecg_hyperkaliemie2.jpg|thumb| Same patient after partial correction of the potassium level. Still no p-waves visible, wide QRS, tall peaking T waves.]] | [[Image:ecg_hyperkaliemie2.jpg|thumb| Same patient after partial correction of the potassium level. Still no p-waves visible, wide QRS, tall peaking T waves.]] | ||
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{{clr}} | {{clr}} | ||
==Hypokalemia== | |||
[[Image:KJcasu18-3.jpg|thumb| Consecutive ECGs of a patient with hypokalemia. ECG1]] | [[Image:KJcasu18-3.jpg|thumb| Consecutive ECGs of a patient with hypokalemia. ECG1]] | ||
[[Image:KJcasu18-2.jpg|thumb| Consecutive ECGs of a patient with hypokalemia. ECG2]] | [[Image:KJcasu18-2.jpg|thumb| Consecutive ECGs of a patient with hypokalemia. ECG2]] | ||