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Table 3 Documented conditions associated with low SVR

From: Low systemic vascular resistance: differential diagnosis and outcome

Condition

Comment

Sepsis

Most common cause of low SVR

Pancreatitis

Seen with necrotizing or hemorrhagic

 

pancreatitis

Cirrhosis

Seen with decompensated liver disease

Adrenal insufficiency

Only 15 well documented cases

Head injury

Seen after initial rise in SVR

Beriberi

Rapid response to thiamine

Salicylate (chronic)

Seen in elderly patients, illness mimics sepsis

TMP-SMX

Reported only in AIDS patients

Vasoplegic syndrome

Occurs within 6 h postcardiopulmonary

 

bypass

 

Incidence estimated to be 0.4%-5.0%

  1. SVR, systemic vascular resistance (dynes × s/cm5);TMP-SMX, trimethoprim-sulfamethoxazole. See text for discussion.