Chronic obstructive pulmonary disease (COPD) is a lung ailment that is characterized by a persistent blockage of airflow from the lungs.
People can also cause a blockage when they try to clean out their ears, but only push the wax deeper inside.
Does the blockage in the artery ever re-open?
Even a cut in official rates, as is expected in America later this month, may not clear the blockage.
Heart attacks and strokes are usually acute events and are mainly caused by a blockage that prevents blood from flowing to the heart or brain.
A bruit is usually detected with a stethoscope and is an indicator of arterial blockage.
Synthetic vessels made of Teflon exist, but they are prone to infection and blockage by blood clots, and tend to work for only a few months.
"Most patients recover within six weeks. Damage to various kidney structures can result from chemical exposure, major blood loss, crush injury, hypertension, severe burns, severe kidney infections, diabetes mellitus, renal artery or urinary tract blockage, and liver diseases."
Gravitational lensing works like this: When a large nearby object like a galaxy blocks a distant object, such as another galaxy, the light can detour around the blockage.
The blockage in the arteries means that the blood flow is reduced.
The blockage lies in the labour market, for two main reasons.
Over time, the buildup of plaque deposits can rupture and cause total blockage of the blood flow to the heart.
MECHANICS checking for a blockage in a car's fuel pipes know to floor the accelerator, for a splutter then indicates a problem that may not show up when the engine is idling.
Instead of being an inert balloon that is used to break up a blockage, the sensor-laden catheter can monitor blood flow, temperature, pressure and electrical activity within the body.
國文精選館
