Dreams that involve hair loss or the loss of teeth, false teeth, etc, are normally a sign that you're worried about either aging, or - more frequently - the passage of time, that life is passing you by in some way.<br /> <br /> I don't think you can analyse dreams precisely.
SA node. the main pacemaker that initiates each heart beat located at the junction of the superior vena cava and the right atrium the SA node generates electrical impulses at 60 to 100 times per minute and is controlled by the sympathetic and parasympathetic nervous system.
â¢ Your heart beats too slow or too fast.â¢ Your heart doesnât beat regularly.â¢ Thereâs a block in your heartâs electrical pathways. How does it work? â¢ A pacemaker uses batteries to send electric signals to your heart to help it pump the right way.â¢ The pacemaker is connected to your heart by one or more wires. Tiny electric charges that you canât feel move through the wire to your heart.â¢ Pacemakers work only when needed.