"Sick" MRI syndrome

The sick sinus syndrome.

1. a. SSS b. SA block c. SA arrest Sick sinus syndrome is a disorder characterized by a dysfunctional sinus node. It is often idiopathic and a result of degenerative fibrosis of nodal tissue. Certain disorders such as amyloidosis, connective tissue disease, Chagas disease, and hemochromatosis are examples of intrinsic causes. Hypertensive heart disease and cardiomyopathies account for a smaller...

Iatrogenic sick sinus syndrome.

A 50-year-old university professor originally from South America had a 3-day history of paroxysmal attacks of rapid palpitations accompanied by near syncope and followed by transient flushing of her head and neck. She had a history of rheumatic mitral valve stenosis due to rheumatic fever at age 15, for which successful mitral commissurotomy was performed at age 36. Subsequently, recurrent atta...

Sick-building syndrome.

The sick-building syndrome (SBS) is defined as the occurrence of an excessive number of subjective complaints by the occupants of a building. These complaints include headache, irritation of the eyes, nose, and throat, lethargy, inability to concentrate, objectionable odors, and less frequently, nausea, dizziness, chest tightness, etc. These complaints will always be reported by a fraction of t...

The sick building syndrome

The sick building syndrome comprises of various nonspecific symptoms that occur in the occupants of a building. This feeling of ill health increases sickness absenteeism and causes a decrease in productivity of the workers. As this syndrome is increasingly becoming a major occupational hazard, the cause, management and prevention of this condition have been discussed in this article.

Sick euthyroid syndrome pdf