Acute respiratory failure: What are the symptoms?

Acute respiratory failure is a serious disease that requires a series of tests to confirm diagnosis and determine treatment options. The following are some common tests: 1. Physical examination: Including measuring vital signs (such as temperature, heart rate, respiratory rate, blood pressure), observation of respiratory patterns, auscultation of lungs, etc. Physical examination can provide preliminary information, but can not completely determine the cause of respiratory failure. 2. Blood examination: This includes blood routine, blood gas analysis, biochemical examination, etc. Through these tests, you can understand the oxygen, carbon dioxide level, pH, electrolytes, etc. in the blood, and help assess respiratory function and acid-base balance. 3. Chest imaging: X-ray, CT, etc. These tests can help doctors observe the structure and function of the lungs and exclude diseases such as lung infection, pneumothorax, and pulmonary edema. 4. Pulmonary function tests: This includes vital capacity, forced vital capacity and forced expiratory volume in one second. Pulmonary function tests can assess lung ventilation and gas exchange capacity. 5. ECG: used to assess heart function and exclude respiratory failure caused by heart disease. 6. Other tests: Depending on the specific situation, other tests may be needed, such as cardiac ultrasound and EEG. It should be noted that for patients with acute respiratory failure, the specific items and order of examination will be adjusted according to the severity of the disease and clinical manifestations. The doctor will develop a personalized examination plan according to the specific conditions of the patient. In addition, for some special groups, such as the elderly, pregnant women, children, etc., the precautions and selection of examination methods may vary. The doctor will evaluate and make decisions according to the specific conditions of the patient. In short, the examination of acute respiratory failure requires comprehensive consideration of the patient's symptoms, signs and medical history, and the appropriate examination items are selected to confirm the diagnosis and formulate a reasonable treatment plan. If acute respiratory failure is suspected, seek medical attention promptly and follow the doctor's advice for examination and treatment.