View source for Classification of Angina

{{DX tag | Cardiovascular Problems || [[Post Infarct Angina]] | Post Infarct Angina | 15500 | '''??? Critical Care and Medicine''' | Currently Collected }}

'''Classification of Angina''' according to the Canadian Cardiovascular Society.
*we don't collect these detail in our database. The article was only used as a reference for those that needed to know how angina was classified.  [[Chronic Health APACHE]], uses class 4 angina.--[[User:TOstryzniuk|TOstryzniuk]] 19:50, 28 October 2010 (CDT)

== Chronic Stable Angina ==
{{DX tag | Cardiovascular Problems || [[Chronic Stable Angina]] | Chronic Stable Angina || 15800 | '''Critical Care and Medicine''' |  }}
This is a comorbid code only. We only code whether it is present, the class descriptions below are for reference only. 

===Class 1===
No limitation: Ordinary physical activity does not cause angina such as walking or climbing stairs.  Angina with strenuous or rapid or prolonged exertion at work or recreation
===Class 2===
Slight limitation of ordinary activity.  Walking or climbing stairs rapidly, walking uphill, climbing stairs or after meals or in cold weather, wind, under emotional stress or pain during the first hrs. 
after waking up.  Walking more than 2 blocks on the level or climbing more than one flight of stairs at a normal pace in normal conditions.
===Class 3===
Marked limitation or ordinary activity. Walking one to two blocks on the level and climbing one flight of stairs in normal 
conditions and at a normal pace. 
===Class 4===
Inability to carry on any physical activity without discomfort.  Symptoms of angina are present even at rest.

== Unstable Angina ==
{{DX tag | Cardiovascular Problems || UNSTABLE ANGINA | Unstable Angina | 15100 | '''Critical Care and Medicine''' | Currently Collected }}

We only code whether it is present, the class descriptions below are for reference only. 

===Class I===
New onset, severe or accelerated angina.  Subjects with angina of less than 2 months duration.  Severe or occurring three or more times per day. Angina that is distinctly more frequent and 
precipitated by distinctly less exertion.  No rest pain in the last 
2 months.
===Class II===
Angina at rest, subacute.  Subjects with one or more 
episode of angina at rest during the preceding month but not within the preceding 48 hrs.
===Class III===
Angina at rest, acute.  Subjects with one or more 
episodes of angina at rest within the preceding 48 hrs.