Aliases:
HOCM

Topic aliases are alternate phrasings for a particular topic.


Maximise analgesia to reduce risk of sympathetic stimulation which could worsen the dynamic left ventricular outflow tract obstruction.

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Aim to minimise any increases in myocardial contractility which will exacerbate the dynamic left ventricular outflow tract obstruction.

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Avoid sympathetic nervous system SNS stimulation. This will both increase myocardial contractility which will worsen the outflow tract obstruction, as well as increase the heart rate which will reduce ventricular filling time.

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Maintain high normal preload to encourage diastolic ventricular filling against what may be a non/compliant ventricle. Consider administering volume load prior to induction if the patient has been fasting.

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Maintain high normal systemic vascular resistance SVR to improve coronary perfusion pressure to the usually hypertrophied ventricle

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Maintain low normal heart rate to prolong diastolic filling time.

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Maintain sinus rhythm where possible. Those with diastolic dysfunction/LVH dependent on atrial contraction for ventricular filling

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Consider avoiding inotropes that will increase contractility and hence will worsen the dynamic outflow obstruction.

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