The problem is that most of the heat transfer in an oven is radiant, so a transparent liquid in a transparent dish is going to get very little heat transfer. Though the air is transparent as well, it need much less heat to get to temperature than water does. One option is to use a non-transparent dish.
The emergency treatment of polycythemia (e.g., in hyperviscosity or thrombosis) is by venesection, the removal of blood from the circulation. Depending on the underlying cause, venesection may also be used on a regular basis to reduce the red blood cell count.
For many people, polycythemia vera may not cause any signs or symptoms. However, some people may experience: 1  Itchiness, especially following a warm bath or shower. 2  Headache. 3  Dizziness. 4  Weakness. 5  Excessive sweating. 6  Painful swelling of one joint, often the big toe.7  Shortness of breath.ake an appointment with your doctor for an evaluation if you have any of the signs or symptoms of polycythemia vera. Because polycythemia vera causes your blood to thicken and slows blood flow, it increases your risk of developing blood clots. If a blood clot occurs in your head, it can cause a stroke.