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par Tommy Kovitwanichkanont Il y a 14 années

1082

Aortic Stenosis

Aortic stenosis is a condition characterized by the narrowing of the aortic valve opening, which can lead to significant heart issues. Causes can include congenital anomalies such as a bicuspid valve, age-related changes, and conditions like rheumatic fever.

Aortic Stenosis

Aortic Stenosis

Causes + Risk factors

Age/male
Congenital
Rheumatic fever
Bicuspid valve

Signs

Systolic murmur
Low BP
Slow rising pulse
4th heart sound
Systolic thrill

Investigation

Angiogram
X-Ray
Echocardiography

Examination

Wiggers' diagram

Myocardial O2 consumption
Ischaemia
ECG
Left ventricular hypertrophy
Afterload
Stroke volume
Ejection fracture
should be >55%
Cardiac output
Aortic pressure
Ventricular pressure
Atrial pressure

Symptoms

Asymptomatic
Dyspnoea
Congestive heart failure
Syncope
Dizziness
Angina

Treatment

Balloon - valvuloplasty
Valve Replacement
Medication
Surgery