Student study notes from paramedic coursework (2023 to 2024), not medical advice. Verify clinical values against current references and your local protocols.
| EMS etiologies | Setting: ER |
Cardiogenic shock is a life-threatening medical emergency characterized by the heart’s inability to pump sufficient blood to meet the body’s needs, leading to inadequate organ perfusion. This condition is often precipitated by severe heart damage, such as that resulting from a heart attack, but can also stem from other causes, including abnormal heart rhythms, cardiomyopathy, heart valve dysfunction, or structural heart defects.
The condition presents with signs of poor blood flow, such as low urine output, cool extremities, confusion, low blood pressure, and rapid but weak pulses. Pulmonary edema, distended jugular veins, and loss of consciousness may also occur in severe cases.
Treatment focuses on restoring adequate blood flow and oxygen to the organs. In cases caused by a heart attack, reopening the blocked arteries via procedures like angioplasty is crucial. Medications like dobutamine and milrinone can improve the heart’s contraction strength. For severe cases, advanced treatments like mechanical support devices (e.g., intra-aortic balloon pumps, ventricular assist devices) or heart transplantation may be necessary.