Third degree AV block history and symptoms

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Raviteja Guddeti, M.B.B.S. [2] Aditya Ganti M.B.B.S. [3] Soroush Seifirad, M.D.[4]

Overview

Patients with third degree AV block typically experience a lower overall measured heart rate, low blood pressure. Most of the patients will experience in physical activities , as the heart cannot react quickly enough to sudden changes in demand or sustain the higher heart rates required for sustained activity. Complete heart block associated with a slower pacemaker can result in dizziness, presyncope and syncope.

History and Symptoms

Patients with third degree AV block typically experience a lower overall measured heart rate, low blood pressure. In some cases, exercising may be difficult, as the heart cannot react quickly enough to sudden changes in demand or sustain the higher heart rates required for sustained activity. Complete heart block associated with a slower pacemaker can result in dizziness, presyncope and syncope.

History

Patients with third-degree AV block may have a positive history of:

Common Symptoms

Patients with complete heart block present with varied symptomatology.[1][2]

Less Common Symptoms

Less common symptoms of third degree AV block include:

References

  1. Sykes JA, Lubega J, Ezetendu C, Verma R, O'Connor B, Kalyanaraman M (November 2011). "Asymptomatic complete atrioventricular block in a 13-year-old girl". Pediatr Emerg Care. 27 (11): 1081–3. doi:10.1097/PEC.0b013e3182360674. PMID 22068075.
  2. Medeiros A, Iturralde P, Millán F, Colín L, Cruz F, González Hermosillo JA, Méndez A (1999). "[A complete atrioventricular block during exertion]". Arch Inst Cardiol Mex (in Spanish; Castilian). 69 (3): 250–7. PMID 10529859.


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