Shortness of breath

Concentrations of nickel carbonyl as low as 30 ppm in air for 30 min may be lethal for humans. Individuals exposed to these high concentrations show immediate symptoms of dizziness, headache, shortness of breath, and vomiting. These early symptoms generally disappear in fresh air, but delayed symptoms may develop 12—36 h later. These latter symptoms include shortness of breath, cyanosis, chest pain, chills, and fever. In severe exposure cases. 

Lethal Arrhythmias. Arrhythmias are a second significant source of cardiovascular problems. An arrhythmia is an abnormal or irregular heart rhythm. Bradyarrhythmias result in heart rates that are too slow tachyarrhythmias cause abnormally fast rates. A bradyarrhythmia can be debiUtating, causing a person to be short of breath, unable to climb stairs, black out, or even to go into cardiac arrest. Tachyarrhythmias can be un settling and painful at best, life-threatening at worst. 

Fig. 2. Right posterior obHque lung or V/Q scan of a 65-year-old man presented with acute onset of shortness of breath and pleuritic chest pain (pain with breathing), (a) The perfusion lung scan showing defects in both the right upper lobe (arrow) and in the right lower lobe (arrowheads), (b) The ventilation...

The principal health hazard that may be associated with shicon and shicon alloys is caused by the crystalline form of the oxide, ie, quartz, used as a raw material. Shica ia its crystalline form is the chief cause of disabling pulmonary fibrosis, such as shicosis. Over a period of years, the breathing of air containing excessive amounts of crystalline shica can cause shortness of breath (30). 

Adenosine in large doses produces vasodilation resulting in facial flushing, Hghtheadedness, dizziness, and hypotension. Shortness of breath and... 

Signs and Symptoms Cough tightness in chest shortness of breath Chemicals Silica asbestos. 

Bradycardia Bradycardia is a slow heart rate (60 beats per minute or slower) that does not meet the body s metabolic demands. Symptoms of bradycardia include dizziness, extreme fatigue, shortness of breath, or fainting spells. This can be compared to tachycardia, which is an extremely rapid heart rate, usually signified by a pulse of over 100 beats per minute. Adults usually have a resting heart rate of 70-80 beats per minute, although well-trained athletes can have resting rates in the 50 s or 60 s. Newborn babies have a normal heart rate of 120-160 beats per minute. A slowed heart rate can lead to a variety of other problems. First aid treatment may include administration of oxygen. 

Dyspnea Dyspnea is shortness of breath or difficulty in breathing. The victim is usually quite aware of the unusual breathing pattern. Shortness of breath can be an indicator of many physical ailments including simple exertion, a panic attack, a blow to the chest, asthma, cardiac disease, as well as exposure to toxic chemicals. If a person is suffering from shortness of breath, evaluate them for additional symptoms and possible exposures. Keep the victim in a sitting position. Remove the victim to fresh air, if possible, and seek medical attention. 

Cough, tightness in chest, shortness of breath Silica, asbestos... 

Health Hazards Information - Recommended Personal Protective Equipment Chemical safety goggles and full face shield, self-contained breathing apparatus (SCBA), positive pressure hose mask, airline mask rubber safety shoes, chemical protective clothing Symptoms Following Exposure Inhalation causes irritation of nose and throat, a feeling of pressure in the chest, and shortness of breath. Nausea... 

Nitrate (measured as Nitrogen) 10 10 "Blue baby syndrome" in infants under six months -life threatening without immediate medical attention. Symptoms Infant looks blue and has shortness of breath. Runoff from fertilizer use leaching from septic tanks, sewage erosion of natural deposits... 

Inhaled gaseous compounds are absorbed in all parts of the respiratory system whereas particle size determines how deep into the airways the parti cles will he transported in the airstrearn. Shortness of breath is a typical sign of a chemical exposure that has affected the lungs, and it may be evoked through iminunological mechanisms (e.g., formaldehyde, ethyleneoxide), or through toxic irritation (formaldehyde, isocyanates, sulfur dioxide, nitrogen dioxide, Frequently the mechanism depends on the concentration ol the com... 

After a latent period of 2 to 24 hours, the subject complains of burning in the throat and chest, shortness of breath and increasing dyspnea Where the exposure has been severe, the development of pulmonary edema may be so rapid that the subject dies within 36 hours after ex-... 

More than half of the patients receiving this drug by the parenteral route experience some adverse reaction. Severe and sometimes life-threatening reactions include leukopenia (low white blood cell count), hypoglycemia (low blood sugar), thrombocytopenia (low platelet count), and hypotension (low blood pressure). Moderate or less severe reactions include changes in some laboratory tests, such as the serum creatinine and liver function tests. Other adverse reactions include anxiety, headache, hypotension, chills, nausea, and anorexia Aerosol administration may result in fatigue a metallic taste in the mouth, shortness of breath, and anorexia... 

Older adultsare at increased risk for adverse reactions when taking the (3-adrenergic blocking drugs The nurse should monitor the older adult closely for confusion, heart failure, worsening of angina, shortness of breath, and peripheral vascular insufficiency (eg, cold extremities paresthesia of the hands weak peripheral pulses). 

No cough, wheeze, chest tightness, or shortness of breath during the day or night... 

Reviews the signs and symptoms of possible adverse reactions and impaired respiratory function, including changes in cough, color and amount of sputum, shortness of breath, or difficulty breathing and stresses the need to notify health care provider at once should any occur. 

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