Electrolyte Disorders: Difference between revisions

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===Hypercalcemia===
==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===
==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===
==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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===Hypokalemia===
==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]]
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