can worsen cardiac output. Thus, fluid therapy should be monitored closely.

After these stabilizing measures, further treatment depends on the cause. Treatment of the underlying condition can quickly resolve the shock. For tension pneumothorax, needle decompression should be done immediately. A chest tube is also inserted. Cardiac tamponade is treated through needle or surgical decompression. Needle pericardiocentesis can be done at the bedside. This is often the preferred therapy. A catheter