Please choose the correct ending to complete the given sentence: Health: [header] How to raise blood pressure [title] Assess the situation. [step] If this happens often, it may be chronic. Consider the health of the person at hand.

Ending1: [title] First, if you see blood, dial emergency services immediately. [step] If you don't see blood, look around. Ending2: Is this a result of sickness? Was anything unusual going on at the time that could have had a lowering effect on blood sugar levels? What's more, stay relaxed. There may not be a bigger problem at hand. Ending3: If they are injured you may need to find other ways to care for them. [substeps] If the blood pressure is so high that they refuse to go swimming, you may be first to notice the symptoms. Ending4: If you see blood pooling at their feet or in their vomit, that may indicate a serious illness. Blood can easily stain the furniture or in the refrigerator.

Answer format: ending1/ending2/ending3/ending4