Tremor electrocardiogram
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Zehra Malik, M.B.B.S[2]
Overview
There are no ECG findings associated with tremor. However, tremor can mimic ventricular tachycardia on ECG and cause an artifact. It is important to obtain an ECG in patients diagnosed with tremor before starting medications like propranolol to investigate for bradycardia.
Electrocardiogram
- Tremor can mimic ventricular tachycardia on ECG appearing as a broad QRS complex and cause an artifact. It must be differentiated by finding normal QRS complexes hidden between artifact waves and looking for unstable baseline at the beginning of the ECG recording. [1]
- Hyperthyroidism can appear as sinus tachycardia, atrial flutter or atrial fibrillation on ECG. [2]
- Stress and anxiety can cause sinus tachycardia on ECG.
- It is important to obtain an ECG in patients diagnosed with tremor before starting medications like propranolol to investigate for bradycardia. [3]
References
- ↑ Martens P, Sinnaeve P (2015). “Tremor mimicking ventricular tachycardia”. CMAJ. 187 (10): E326. doi:10.1503/cmaj.140768. PMC 4500729. PMID 25691788.
- ↑ Zhang Y, Post WS, Cheng A, Blasco-Colmenares E, Tomaselli GF, Guallar E (2013). “Thyroid hormones and electrocardiographic parameters: findings from the third national health and nutrition examination survey”. PLoS One. 8 (4): e59489. doi:10.1371/journal.pone.0059489. PMC 3625180. PMID 23593140.
- ↑ Puschmann A, Wszolek ZK (2011). “Diagnosis and treatment of common forms of tremor”. Semin Neurol. 31 (1): 65–77. doi:10.1055/s-0031-1271312. PMC 3907068. PMID 21321834.
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