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  • Disease

    Sepsis

    Antigens are large molecules (usually proteins) on the surface of cells, viruses, fungi, bacteria, and some non-living substances such as toxins, chemicals, drugs, and foreign particles. The immune system recognizes antigens and produces antibodies that destroy substances containing antigens.

    Sepsis is an illness in which the body has a severe response to bacteria or other germs. This response may be called systemic inflammatory response syndrome...

  • Disease

    Septic shock

    Septic shock is a serious condition that occurs when a body-wide infection leads to dangerously low blood pressure.

  • Injury

    Shock

    Shock is a severe condition that occurs when not enough blood flows through the body, causing very low blood pressure, a lack of urine, and cell and tissue damage.

    Shock is a life-threatening condition that occurs when the body is not getting enough blood flow. Lack of blood flow means that the cells and organs do not...

  • Disease

    Stroke

    The cerebellum processes input from other areas of the brain, spinal cord and sensory receptors to provide precise timing for coordinated, smooth movements of the skeletal muscular system. A stroke affecting the cerebellum may cause dizziness, nausea, balance and coordination problems.

    A stroke occurs when blood flow to a part of the brain stops. A stroke is sometimes called a “brain attack.” If blood flow is cut off for longer than a few...

  • Disease

    Subarachnoid hemorrhage

    Subarachnoid hemorrhage is bleeding in the area between the brain and the thin tissues that cover the brain. This area is called the subarachnoid space.

  • Symptoms

    Subcutaneous emphysema

    Subcutaneous emphysema occurs when air gets into tissues under the skin. This usually occurs in the skin covering the chest wall or neck, but can also occur...

  • Test

    Swan-Ganz - right heart catheterization

    Right heart catheterization involves the passage of a catheter (a thin flexible tube) into the right side of the heart to obtain diagnostic information about the heart and for continuous monitoring of heart function in critically ill patients.

    Swan-Ganz catheterization is the passing of a thin tube (catheter) into the right side of the heart and the arteries leading to the lungs. It is done to...