Gastroparesis electrocardiogram

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief:  Sadaf Sharfaei M.D.[2]

## Overview

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There are no abnormal ECG findings associated with gastroparesis. In case of malnutrition and electrolyte imbalance, an ECG may be helpful. Hypokalemia might present with arrhythmia, ST segment depression, low T wave, prominent U waves and QRS prolongation. Hypocalcemia might present with QT interval prolongation.

## Electrocardiogram

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* There are no ECG findings associated with gastroparesis.
* In case of malnutrition and electrolyte imbalance, an ECG may be helpful.[1]
* Findings on an ECG suggestive of hypokalemia in a patient with gastroparesis include:[2][3][4]
* ST segment depression
* Low T wave
* Prominent U waves
* Prolongation of the QRS duration
* Increase in the amplitude and duration of the P-wave
* Cardiac arrhythmias and AV block
* Ventricular ectopy

An ECG in a person with a Potassium level of 1.1 showing the classical ECG changes of ST segment depression, inverted T waves, large U waves, and a slightly prolonged PR interval. By James Heilman, MD - Own work, CC BY-SA 3.0[5]

* Findings on an ECG suggestive of hypocalcemia in a patient with gastroparesis include:[6]
* Narrow QRS complex
* Prolongation of the QT interval

## References

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1. ↑ Diercks DB, Shumaik GM, Harrigan RA, Brady WJ, Chan TC (2004). "Electrocardiographic manifestations: electrolyte abnormalities". J Emerg Med. 27 (2): 153–60. doi:10.1016/j.jemermed.2004.04.006. PMID 15261358.
2. ↑ Levis JT (2012). "ECG diagnosis: hypokalemia". Perm J. 16 (2): 57. PMC 3383164. PMID 22745618.
3. ↑ Pepin J, Shields C (2012). "Advances in diagnosis and management of hypokalemic and hyperkalemic emergencies". Emerg Med Pract. 14 (2): 1–17, quiz 17–8. PMID 22413702.
4. ↑ El-Sherif N, Turitto G (2011). "Electrolyte disorders and arrhythmogenesis". Cardiol J. 18 (3): 233–45. PMID 21660912.
5. ↑ "File:LowKECG.JPG - Wikimedia Commons". External link in `|title=` (help)
6. ↑ Fong J, Khan A (2012). "Hypocalcemia: updates in diagnosis and management for primary care". Can Fam Physician. 58 (2): 158–62. PMC 3279267. PMID 22439169.