18 Questions
What is the primary cause of diabetic gangrene in diabetic females after the age of 45 years?
Uncontrolled diabetes
What is the characteristic of dry gangrene in terms of putrefaction?
Slow putrefaction
Which type of gangrene usually affects internal organs?
Moist gangrene
What is the characteristic of moist gangrene in terms of toxin production?
Maximal toxin production
What separates the healthy tissues from the gangrenous tissues in the gangrenous process?
Line of separation
What is the main difference between dry and moist gangrene?
Amount of blood supply
What is the outcome of the natural amputation process in gangrene?
Formation of a conical stump
What is a predisposing factor for senile gangrene?
Atherosclerosis
What is the typical appearance of a gangrenous area?
Black, cold, and mummified
What is the usual site of onset for senile gangrene?
Toe
What happens to healthy tissues when irritated?
They become inflamed
What is the result of cut-off of blood supply in senile gangrene?
Small area of necrosis
What is the primary cause of necrosis in gangrene?
Sudden ischaemia
What type of ischaemia can lead to infarction or gangrene?
Sudden acute ischaemia
What is the effect of a big embolus in the pulmonary trunk?
Sudden death due to acute right sided heart failure
What is the result of putrefaction in gangrene?
Breakdown of proteins and production of H2S
What type of ischaemia can lead to ischaemic atrophy?
Gradual chronic ischaemia
What is the difference between dry and moist gangrene?
Moist gangrene is caused by bacterial toxins, while dry gangrene is caused by sudden ischaemia
Learn about the progression of gangrene and how it interacts with adjacent tissues, leading to inflammation and the formation of a line of demarcation.
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