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  2. Heart block - Wikipedia

    en.wikipedia.org/wiki/Heart_block

    Heart block should not be confused with other conditions, which may or may not be co-occurring, relating to the heart and/or other nearby organs that are or can be serious, including angina (heart-related chest pain), heart attack (myocardial infarction), any type of heart failure, cardiogenic shock or other types of shock, different types of ...

  3. Atrioventricular block - Wikipedia

    en.wikipedia.org/wiki/Atrioventricular_block

    Atrioventricular block (AV block) is a type of heart block that occurs when the electrical signal traveling from the atria, or the upper chambers of the heart, to ventricles, or the lower chambers of the heart, is impaired.

  4. Second-degree atrioventricular block - Wikipedia

    en.wikipedia.org/wiki/Second-degree_atrio...

    Second-degree atrioventricular block (AV block) is a disease of the electrical conduction system of the heart.It is a conduction block between the atria and ventricles.The presence of second-degree AV block is diagnosed when one or more (but not all) of the atrial impulses fail to conduct to the ventricles due to impaired conduction.

  5. Heart failure - Wikipedia

    en.wikipedia.org/wiki/Heart_failure

    Heart failure (HF), also known as congestive heart failure (CHF), is a syndrome caused by an impairment in the heart's ability to fill with and pump blood.. Although symptoms vary based on which side of the heart is affected, HF typically presents with shortness of breath, excessive fatigue, and bilateral leg swelling. [3]

  6. First-degree atrioventricular block - Wikipedia

    en.wikipedia.org/wiki/First-degree_atrio...

    First-degree heart block does not require any particular investigations except for electrolyte and drug screens, especially if an overdose is suspected. [5] In comparison to second-degree atrioventricular block, in first-degree block there is an absence of non-conduction or "dropped beats."

  7. Intraventricular block - Wikipedia

    en.wikipedia.org/wiki/Intraventricular_block

    An intraventricular block is a heart conduction disorder — heart block of the ventricles of the heart. [1] An example is a right bundle branch block, right fascicular block, bifascicular block, trifascicular block. [2] [3]

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