Signs of brain death
+Unresponsiveness to all stimuli
+Pupillary responses are absent
+All brain functions cease
+No eye movements are noted when cold water is instilled into the ears (caloric test).
+No corneal reflex is present
+No gag reflex is present
+Quick rotation of the patient's head from left to right (doll's eyes test) causes the eyes to remain fixed, suggesting brain death.
+No response to painful stimuli is present
+An apnea test reveals no spontaneous breathing
+EEG shows no brain activity or response
Sunday, November 2, 2008
What is DKA?
Diabetic ketoacidosis (DKA) is an acute complication of hyperglycemic crisis in patients with diabetes. It's a life-threatening complication that's most common in patients with type 1 diabetes and is sometimes the first evidence of the disease.
It may result from infection, illness, surgery, stress or insufficient or absent insulin.
It may result from infection, illness, surgery, stress or insufficient or absent insulin.
Chest X-ray
During chest radiography (aka chest X-ray), X-ray beams penetrate the chest and react on specially sensitized film. Normal pulmonary tissue is radiolucent while abnormalities such as infiltrates, foreign bodies, fluid and tumors appear dense. That is why they are detected through X-rays.
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