Respiratory Problems

What Causes Lung Cancer?

What Causes Lung Cancer?

The lung is an essential organ in the body’s respiratory system. We have two lungs nested inside our ribcage. Each lung is conical in shape and they rest on top of the diaphragm (the area that separates our lungs from... (Continue reading)

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What Causes Shortness of Breath?

What Causes Shortness of Breath?

Definition Few sensations are as frightening as not being able to get enough air. Although shortness of breath, known medically as dyspnea — is likely to be experienced differently by different people, it’s often described as an intense tightening in... (Continue reading)

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What Causes Lung Nodules?

What Causes Lung Nodules?

Lung nodules are masses of tissues found in the lungs. They are also referred to as pulmonary nodules. A spot that has a diameter of three centimeters or less is called a nodule. A larger spot is referred to as... (Continue reading)

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What Causes Purple Lips?

What Causes Purple Lips?

Purple lips also know as Cyanosis is a medical condition that causes discoloration and bluing of the skin and membranes. Linked to lack of oxygen, cyanosis may be attributed to underlying lung or breathing problems. Often seen in infants with... (Continue reading)

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What Causes Leprosy?

What Causes Leprosy?

Leprosy is a chronic infectious disease caused by Mycobacterium leprae, an acid-fast, rod-shaped bacillus. The disease mainly affects the skin, the peripheral nerves, mucosa of the upper respiratory tract and also the eyes. It may also involve the throat and... (Continue reading)

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What Causes an Inverted T-Wave?

What Causes an Inverted T-Wave?

Definition The T wave is the ECG manifestation of ventricular repolarization of the cardiac electrical cycle. The T wave is normally upright in leads I, II, and V3 to V6; inverted in lead aVR; and variable in leads III, aVL,... (Continue reading)