Most common conditions in dreams related to the hair symbol and their meanings Hair falling out in clumps. To dream that the hair is falling out in clumps have several meanings. First of all, the dream represents the state of your thoughts. Beautiful hair represents â positive thoughts and damaged hair â signifies negative thoughts.
Absent P waves on ECG: Introduction. Absent P waves on ECG: The absence of a P wave located on an electrocardiogram. See detailed information below for a list of 4 causes of Absent P waves on ECG, Symptom Checker, including diseases and drug side effect causes. Â» Review Causes of Absent P waves on ECG: Causes | Symptom Checker Â».
SA node: P wave. Under normal conditions, electrical activity is spontaneously generated by the SA node, the cardiac pacemaker. This electrical impulse is propagated throughout the right atrium, and through Bachmann's bundle to the left atrium, stimulating the myocardium of the atria to contract. The conduction of the electrical impulses throughout the atria is seen on the ECG as the P wave. As the electrical activity is spreading throughout the atria, it travels via specialized pathways, known as internodal tracts, from the SA node to the AV node. AV node and bundles: PR interval