After your Antelope Canyon tour you will fly to the Las Vegas airport, where the tour ends. Depending on the time of the year, you could arrive in Vegas any time from 11.30 a.m. to 4 p.m. Please be aware that if you leave it too late to book, there may be a surcharge for the flight back to Vegas.
Heart problems. Among the heart conditions that can lead to low blood pressure are an abnormally low heart rate (bradycardia), problems with heart valves, heart attack and heart failure. Your heart may not be able to circulate enough blood to meet your bodyâs needs. Endocrine problems.
Causes. Sometimes doctors can't find a reason for high blood pressure in the lungs. In that case, the condition is called idiopathic pulmonary hypertension. Genes may play a role in why some people get it. In other cases, there is another condition that's causing the problem. Any of these illnesses can lead to high blood pressure in your lungs: 1  Congestive heart failure. 2  Blood clots in the lungs.