Palpitation
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Etiology/cause
In one cohort study, causes were identified in 84%:[1]
- Cardiac arrhythmia in 43%
- Psychiatric, usually an anxiety disorder, in 31%
- Miscellaneous in 10%
Evaluation
Helpful findings in one cohort study were:[1]
- Duration more than 5 minutes suggested cardiac arrhythmia
- More than 5 total symptoms suggest psychiatric causes. A similar observation (two or more prodromal symptoms) has been observed for determining the cause of syncope.[2]
Palpitations followed by syncope suggest cardiac arrhythmia.[3]
References
- ↑ 1.0 1.1 Weber BE, Kapoor WN (1996). "Evaluation and outcomes of patients with palpitations.". Am J Med 100 (2): 138-48. PMID 8629647.
- ↑ Graf D, Schlaepfer J, Gollut E, van Melle G, Mischler C, Fromer M et al. (2008). "Predictive models of syncope causes in an outpatient clinic.". Int J Cardiol 123 (3): 249-56. DOI:10.1016/j.ijcard.2006.12.007. PMID 17397948. Research Blogging.
- ↑ Del Rosso A, Ungar A, Maggi R, Giada F, Petix NR, De Santo T et al. (2008). "Clinical predictors of cardiac syncope at initial evaluation in patients referred urgently to a general hospital: the EGSYS score.". Heart 94 (12): 1620-6. DOI:10.1136/hrt.2008.143123. PMID 18519550. Research Blogging. Review in: Evid Based Med. 2009 Jun;14(3):91