Hypotension or shock

DDx

Low stroke volume

  • Hypovolemia, eg, hemorrhage, vomiting, diarrhea, burns, "third spacing"
  • Pneumothorax
  • Pulmonary embolus
  • Cardiac tamponade
  • "Pump failure" due to myocardial ischemia or cardiomyopathy
  • Aortic stenosis
  • Aortic insufficiency
  • Mitral regurgitation
  • Aortic dissection
  • Rupture of ventricular septum or free wall
Abnormal heart rate
  • Bradycardia
  • Tachycardia
Low systemic vascular resistance (SVR)
  • Sepsis
  • Adrenal insufficiency
  • Anaphylaxis
  • Drugs, eg, vasodilators
  • Neurogenic shock

There's more to see -- the rest of this topic is available only to subscribers.

© 2000–2025 Unbound Medicine, Inc. All rights reserved