A 70-year-old man presents with hypotension (BP 85/52 mmHg), tachycardia (HR 118/min), and cool, clammy extremities several hours after a large anterior myocardial infarction. Physical examination reveals elevated jugular venous pressure and diffuse bilateral crackles. Chest X-ray shows pulmonary edema. He denies orthopnea. Troponin I is elevated at 8.5 ng/mL. He takes no home medications. Which hemodynamic profile best characterizes this condition?
- A)Decreased cardiac output, increased wedge pressure, decreased systemic vascular resistance
- B)Decreased cardiac output, increased pulmonary capillary wedge pressure, increased systemic vascular resistanceGABARITO
- C)Decreased cardiac output, decreased wedge pressure, increased systemic vascular resistance
- D)Increased cardiac output, decreased wedge pressure, decreased systemic vascular resistance
- E)Normal cardiac output, normal wedge pressure, increased systemic vascular resistance
Explicação
Decreased cardiac output, increased pulmonary capillary wedge pressure, increased systemic vascular resistance is correct. Cardiogenic shock from severe pump failure causes low forward flow, elevated left sided filling pressures due to congestion, and compensa... Ver explicação completa e trilha adaptativa →