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Reperfusion injury plays a major part in the biochemistry of hypoxic brain injury in stroke. Similar failure processes are involved in brain failure following reversal of cardiac arrest; [3] control of these processes is the subject of ongoing research. Repeated bouts of ischemia and reperfusion injury also are thought to be a factor leading to ...
Blood pressure should be lowered a maximum of 10% over the first hour and 25% over the first two hours as rapid lowering of blood pressure can lead to decreased blood flow in the brain and cause the development of an ischemic stroke. Once blood pressure is stabilized, patients can be changed from intravenous medications to oral. [3]
Cardiogenic shock is a medical emergency resulting from inadequate blood flow to the body's organs due to the dysfunction of the heart. Signs of inadequate blood flow include low urine production (<30 mL/hour), cool arms and legs, and decreased level of consciousness. People may also have a severely low blood pressure and heart rate. Causes of ...
Cardiogenic shock is caused by the failure of the heart to pump effectively. [6] This can be due to damage to the heart muscle, most often from a large myocardial infarction . Other causes of cardiogenic shock include dysrhythmias , cardiomyopathy / myocarditis , congestive heart failure (CHF), myocardial contusion , or valvular heart disease ...
The primary cause triggers an uncontrolled inflammatory response. [citation needed] Sepsis is the most common cause of multiple organ dysfunction syndrome and may result in septic shock. In the absence of infection, a sepsis-like disorder is termed systemic inflammatory response syndrome (SIRS). Both SIRS and sepsis could ultimately progress to ...
Hypotension (low blood pressure, e.g. in septic shock, heart failure) Outside compression of a blood vessel, e.g. by a tumor or in the case of superior mesenteric artery syndrome; Sickle cell disease (abnormally shaped red blood cells) Induced g-forces which restrict the blood flow and force the blood to the extremities of the body, as in ...
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It can occur after damage to the central nervous system, such as spinal cord injury and traumatic brain injury. Low blood pressure occurs due to decreased systemic vascular resistance resulting from loss of sympathetic tone, which in turn causes blood pooling within the extremities rather