Dyspnea refers to problems related to inhalation of breath. Shortness of breath is the earliest stage cancer symptoms. Dyspnea is when the cancer patient feels problem during the inhalation and exhalation of breath. The patient feels choked and is unable to breathe properly for a short period of time.

Difficulty or shortness of breath associated with marked awareness of the effort of respiration is called dyspnea. In the left-sided heart failure and in hypoventilatory states, the patient becomes more dypsneic in the recumbent posture and considerable relief is obtained by sitting up. This is referred to as orthopnea. Attacks of severe breathlessness occurring during sleep at night may awaken the patient and assumption of the erect posture gives relief. This is termed paroxysmal nocturnal dyspnea. This is also characteristic of left-sided heart failure.

It is important to look out for the common, uncommon as well as the rare symptoms of lung cancer. The doctors should be notified immediately so that they perform a diagnosis and clarify the underlying cause. Establishment of the cause, whether lung cancer or not, could hasten the treatment and lead to the betterment of the patients.

Symptoms of Heart Failure can be classified in different ways. The conditions can be prevalent in the left or the right sections of the heart. this can occur due to contraction (systolic) or the relaxation (diastolic) phase of the heart. Whether the condition is due to increased venous pressure behind the heart or due to the arterial pressure in front of the heart. this can arise out of low or high cardiac output.

Your doctor will figure out the best treatment options for you after looking into the cause of your shortness of breath. The first test your doctor will likely perform will be to place a small device over your finger, a pulse oximeter, to measure the amount of oxygen in your blood. In addition, a chest X-ray and electrocardiogram are usually given to look for common lung and heart problems.

Mesothelioma can only be identified with help of its symptoms which appear after 20-50 years the person has developed the disease. Symptoms of mesothelioma appear when you have been exposed to the deadly toxic asbestos decades back. By the time they appear, they have already spread to all parts of the body.

Asbestos is the only known substance responsible for mesothelioma cases. When the particles or dust of asbestos is inhaled for a long period of time, the fibrous material get trapped and built up in the lung tissue as the body doesn't have the ability to remove it. When swallowed, the particles will be accumulated in the abdominal cavity.

Pleural mesothelioma is the most common form of mesothelioma. The mesothelioma symptoms result from the thickening of the pleural membrane. It includes persistent dry or raspy cough, hemoptysis or coughing up blood, dysphagia, night sweats or fever, unexplained 10% weight loss, fatigue, persistent pain in the lower back or side of the chest, painful breathing, shortness of breath or dyspnea and the presence of lumps. These symptoms, with the exception of the lumps, are common to minor illness.

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