Understanding left bundle branch block in heart rhythm
A left bundle branch block occurs when electrical impulses reroute due to scar tissue or poor blood supply, delaying contraction on the left side. It may be asymptomatic but can cause dizziness or fainting if the opposite bundle blocks, and a pacemaker might be needed if symptoms arise.
Cuban forces not fighting Eritrean rebels yet in Ethiopia
Lt. Col. Mengistu Haile Mariam, head of Ethiopia's military government, said Cuban troops are not fighting Eritrean rebels in northern Ethiopia but could if imperialist powers intervene. Radio Addis Ababa noted Cubans were with Ethiopia in the Ogaden East campaign against Somali rebels. Reports say Fidel Castro refused involvement in Eritrea.
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