Persistent high fever

Introduction Generally, the body temperature (according to the oral temperature) is higher than 39 °C. High fever for more than three weeks, more common in malignant tumors, tuberculosis, bacterial endocarditis. Continued high fever can damage the function of important organs such as heart, brain, liver and kidney.

Cause

More common in malignant tumors, tuberculosis, bacterial endocarditis. When the fever is hot, the skin is hot, the skin is hot, the thirst is dry, the spirit is weak, the diet is poor, and the breathing and pulse are accelerated (calculated from 37 °C, the pulse is accelerated 10 times for every 1 °C). The patient began to sleepiness, and in severe cases, coma and convulsions (convulsions) occurred. The high fever does not return for a few days.

an examination

When the fever is hot, the skin is hot, the skin is hot, the thirst is dry, the spirit is weak, the diet is poor, and the breathing and pulse are accelerated (calculated from 37 °C, the pulse is accelerated 10 times for every 1 °C). The patient began to sleepiness, and in severe cases, coma and convulsions (convulsions) occurred. The high fever does not return for a few days.

Inspection item selection:

Blood routine, urine routine, erythrocyte sedimentation rate, blood potassium, sodium, chloride examination, liver function, renal function, CO2 binding force determination, blood culture and drug sensitivity test, blood fat reaction, external fever reaction, blood smear to find malaria parasite Cerebrospinal fluid routine, biochemical and culture.

Differential diagnosis

Differential diagnosis of persistent high fever:

(1) High fever accompanied by body chills, chills, mostly bacterial or protozoal infections, such as sepsis, malaria, lobar pneumonia, acute pyelonephritis, acute cholecystitis.

(2) High fever with systemic rash, common in rash infections. The rash appears 1 to 6 days after fever, followed by chickenpox, scarlet fever, measles, typhoid and the like.

(3) High fever with severe headache, vomiting, more common in meningitis, encephalitis.

(4) High fever with chest pain, cough, shortness of breath, found in respiratory diseases such as pneumonia, bronchitis, pleurisy.

(5) High fever with abdominal pain, right upper abdominal pain may be hepatitis, liver abscess, cholecystitis; full abdominal pain may be peritonitis.

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