Water bottle sign (heart)
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The water bottle sign or configuration refers to the shape of the cardiac silhouette on erect frontal chest x-rays in patients who have a very large pericardial effusion. Typically the effusion has accumulated over many weeks to months (e.g. in patients with malignancy) and the pericardium has gradually stretched. The fluid, often measuring a litre or more, causes the pericardium to sag, mimicking an old-fashioned watterwater bottle sitting on the bench.
-<p>The <strong>water bottle sign </strong>or <strong>configuration</strong> refers to the shape of the cardiac silhouette on erect frontal chest x-rays in patients who have a very large <a href="/articles/pericardial-effusion" title="Pericardial effusion">pericardial effusion</a>. Typically the effusion has accumulated over many weeks to months (e.g. in patients with malignancy) and the pericardium has gradually stretched. The fluid, often measuring a litre or more, causes the pericardium to sag, mimicking an old-fashioned watter bottle sitting on the bench. </p>- +<p>The <strong>water bottle sign </strong>or <strong>configuration</strong> refers to the shape of the <a title="cardiac silhouette" href="/articles/cardiac-silhouette">cardiac silhouette </a>on erect frontal chest x-rays in patients who have a very large <a href="/articles/pericardial-effusion">pericardial effusion</a>. Typically the effusion has accumulated over many weeks to months (e.g. in patients with malignancy) and the pericardium has gradually stretched. The fluid, often measuring a litre or more, causes the pericardium to sag, mimicking an old-fashioned water bottle sitting on the bench. </p>
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