A. The dangers arise from the complications which have been described in the previous chapter. Briefly, they are as follows:

• Disturbances in the heart rhythm and various types of blocks, causing irregular heart action which may be reflected in an irregular pulse, too fast or too slow, and may end up in cardiac arrest.
• Fall of blood pressure, if precipitate, may cause the dangerous condition of cardiogenic shock.
• Left ventricular failure, causing severe difficulty in breathing, gasping for air, cough and frothy blood-stained sputum.
• Thrombosis (clotting of blood) in the veins of the legs, which may break loose and go into the lungs producing infarction of the lung.
• Paralysis.

It is, of course, not for the layman to diagnose these complications. It is the job of physician to constantly strive to look for them, prevent their occurrence, and eliminate them through proper treatment when they do arise. (They are mentioned here merely for the information of the reader.

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Cardio & Blood