Sinoatrial block: Difference between revisions

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(SA Block)
 
(Redirected page to Sino-atrial exit block)
 
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= Sinoatrial Block (SA Block) =
#REDIRECT [[Sino-atrial exit block]]
 
{|
|+ During the event
|-
|Rate || Normal to slow || Defined by duration of frequency of block
|-
|Rhythm || Irregular when a block occurs
|P wave || Upright and uniform, except during the dropped beat
|PR interval || Normal (0.12 - 0.20 sec), except during the dropped beat
|QRS || Normal (0.06 - 0.10 sec), except during the dropped beat
|}
 
- Cardiac output will decrease, possibly causing syncope or dizziness.
- Occurs in some multiple of the PP interval.
- After dropped beat, cycles continue on time.

Latest revision as of 06:36, 30 March 2011