The diagnosis of postprandial hypotension requires that certain criteria be met.


Criteria for postprandial hypotension:

(1) onset within 2 hours after a meal

(2) one or both of the following:

(2a) decrease in systolic blood pressure >= 20 mm Hg between preprandial and postprandial blood pressures

(2b) postprandial systolic blood pressure < 90 mm Hg after the meal AND preprandial systolic pressure >= 100 mm Hg

(3) absence of alternative explanations


Postprandial hypotension may be symptomatic or asymptomatic. Symptoms may include:

(1) syncope

(2) fall

(3) stroke

(4) angina or acute myocardial infarction


The occurrence of symptoms depends on:

(1) how fast the blood pressure change occurs

(2) how much the systolic blood pressure falls

(3) comorbid conditions (such as pre-existing coronary artery disease)


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