First degree AV block history and symptoms: Difference between revisions
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* Patients with first degree AV block are usually asymptomatic. | * Patients with first degree AV block are usually asymptomatic. | ||
* History of advanced Lyme disease may be associated with the presentation. Carditis in Lyme disease is associated with first degree AV block.<ref name="pmid19403477">{{cite journal| author=Costello JM, Alexander ME, Greco KM, Perez-Atayde AR, Laussen PC| title=Lyme carditis in children: presentation, predictive factors, and clinical course. | journal=Pediatrics | year= 2009 | volume= 123 | issue= 5 | pages= e835-41 | pmid=19403477 | doi=10.1542/peds.2008-3058 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=19403477 }}</ref> | * History of advanced Lyme disease may be associated with the presentation. Carditis in Lyme disease is associated with first degree AV block.<ref name="pmid19403477">{{cite journal| author=Costello JM, Alexander ME, Greco KM, Perez-Atayde AR, Laussen PC| title=Lyme carditis in children: presentation, predictive factors, and clinical course. | journal=Pediatrics | year= 2009 | volume= 123 | issue= 5 | pages= e835-41 | pmid=19403477 | doi=10.1542/peds.2008-3058 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=19403477 }}</ref> | ||
*History of systemic lupus erythematosus (SLE) is associated with first degree AV block and can be underlying for an advanced cardiac complication in SLE. | *History of systemic lupus erythematosus (SLE) is associated with first degree AV block and can be underlying for an advanced cardiac complication in SLE.<ref name="pmid18926371">{{cite journal| author=Makaryus JN, Catanzaro JN, Goldberg S, Makaryus AN| title=Rapid progression of atrioventricular nodal blockade in a patient with systemic lupus erythematosus. | journal=Am J Emerg Med | year= 2008 | volume= 26 | issue= 8 | pages= 967.e5-7 | pmid=18926371 | doi=10.1016/j.ajem.2008.02.010 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=18926371 }}</ref> | ||
*History of myocarditis or myocardial infarction is also associated with AV block presentation. | *History of myocarditis or myocardial infarction is also associated with AV block presentation. | ||
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
First degree AV block patients are usually asymptomatic at rest. In the setting of left ventricular dysfunction markedly prolonged PR interval can cause exercise intolerance and syncope.
History and symptoms
History
- Patients with first degree AV block are usually asymptomatic.
- History of advanced Lyme disease may be associated with the presentation. Carditis in Lyme disease is associated with first degree AV block.[1]
- History of systemic lupus erythematosus (SLE) is associated with first degree AV block and can be underlying for an advanced cardiac complication in SLE.[2]
- History of myocarditis or myocardial infarction is also associated with AV block presentation.
Symptoms
Common symptoms associated with first degree AV block include the following:
- Syncope: usually result form the temporary higher degree heart block especially in patients with wide QRS complex.
Reference
- ↑ Costello JM, Alexander ME, Greco KM, Perez-Atayde AR, Laussen PC (2009). "Lyme carditis in children: presentation, predictive factors, and clinical course". Pediatrics. 123 (5): e835–41. doi:10.1542/peds.2008-3058. PMID 19403477.
- ↑ Makaryus JN, Catanzaro JN, Goldberg S, Makaryus AN (2008). "Rapid progression of atrioventricular nodal blockade in a patient with systemic lupus erythematosus". Am J Emerg Med. 26 (8): 967.e5–7. doi:10.1016/j.ajem.2008.02.010. PMID 18926371.