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Angina Pectoris

Related Terms

Angina
Angina Attack
Angina Syndrome
Cardiac Angina
Exertion Angina
Stable Angina
Vasomotor Angina

Differential Diagnoses

Bowel ischemia (lack of blood flow to the intestine)
Cervical spine disease
Cholecystitis (gall bladder inflammation)
Gastroesophageal reflux disease (GERD)
Musculoskeletal pain
Peptic ulcer disease (acid peptic disease)
Pericarditis (inflammation of the lining of the heart)

Comorbid Conditions

Anemia
Diabetes
Heart failure
Hyperthyroidism
Infection
Obesity
Renal failure

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The ability to return to work depends on the type and outcome of treatment, severity of residual symptoms, other medical conditions, and demands of the individual's occupation. The individual's willingness to address correctable risk factors such as smoking, sedentary lifestyle, and obesity will influence the length of disability. For some individuals, cardiac rehabilitation may facilitate return to optimal function.

Duration Trends from Reference Data

DURATION TRENDS

ICD-9-CM: 413, 413.9

Cases	Mean	Min	Max	No Lost Time	Over 6 Months
2055	51	0	305	0.2%	3.8%

Percentile:	5^th	25^th	Median	75^th	95^th
Days:	6	14	31	71	167

Differences may exist between the duration tables and the reference graphs. Duration tables provide expected recovery periods based on the type of work performed by the individual. The reference graphs reflect the actual experience of many individuals across the spectrum of physical conditions, in a variety of industries, and with varying levels of case management. Selected graphs combine multiple codes based on similar means and medians.

Medical Codes

	ICD-9-CM:
	411.1 -	Intermediate Coronary Syndrome; Impending Infarction; Preinfarction Angina; Preinfarction Syndrome; Unstable Angina
	413 -	Angina Pectoris
	413.1 -	Prinzmetals Angina; Variant Angina Pectoris
	413.9 -	Angina Pectoris, Other and Unspecified

Complications

If the coronary artery blockage causing angina is not reversed and blood flow is not restored either spontaneously or with treatment, the vessel may become permanently blocked and the heart muscle supplied by that artery may die, resulting in a heart attack (acute myocardial infarction). Decreased blood flow to the heart muscle can also cause irregular heartbeat (arrhythmia) that can prevent the heart muscle from pumping blood effectively. Complications following acute heart attack can include circulatory shock, heart failure, fluid in the lungs (pulmonary edema), blood clot in the lungs (pulmonary embolism), and recurrent myocardial infarction.

Source: Medical Disability Advisor

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