Bacterial infections

Introduction Bacterial infection is an acute systemic infection caused by pathogenic bacteria or conditional pathogens invading the blood circulation, producing toxins and other metabolites. It is characterized by chills, fever, rash, joint pain and hepatosplenomegaly. Some may have septic shock and migratory lesions. An acute systemic infection caused by a pathogenic microorganism invading the blood from a wound or an infected lesion in the body. Clinically, some patients may also have irritability, cold limbs and purpura, rapid pulse rate, rapid breathing, and decreased blood pressure. Especially in the elderly, children, those with chronic diseases or immunocompromised, those who are not treated promptly and have complications, can develop sepsis or sepsis.

Cause

Pathogenic bacteria with strong virulence or a large number enter the body, which is more likely to cause sepsis. Whether the bacteria cause infection after invading the human body is related to human defense, immune function, virulence and quantity of bacteria. Complete skin and mucous membranes are natural barriers to prevent bacteria from invading the human body. After damage, bacteria can easily invade the body from it. Skin necrosis and plasma exudation provide a good environment for bacterial reproduction, so infection is very likely to occur.

an examination

Related inspection

Blood routine urine neutrophil count (NEUT) bacteriological examination blood and bone marrow bacterial culture

Blood: Most of the white blood cells are significantly increased.

Pathogen examination.

Bacterial culture.

Bacterial smear: direct smear examination of pus, cerebrospinal fluid, chest and ascites, sputum, etc., can also detect pathogenic bacteria, has a certain reference value for the rapid diagnosis of sepsis.

Differential diagnosis

Viral infection: An infectious disease caused by a virus that can be parasitic in the human body and can cause disease. Mainly manifested as fever, headache, general malaise and other symptoms of systemic poisoning and local symptoms caused by inflammatory damage caused by viral hosts and invading tissues and organs.

Fungal infection: The disease caused by fungal infection is called fungal disease. The highest incidence of candidiasis and dermatophytosis is caused by the fungus of the normal flora of the human body. The infection can be distinguished as: surface infection, skin infection, subcutaneous tissue infection, deep Infection and conditional infections.

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