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9. Syndrome of dry pleurisy (pleuritis)

REASONS: more often a consequence of other diseases (pneumonia, tuberculosis, systemic

diseases of the connective tissue, uremia, etc.).

SYMPTOMS:

  1. Pain in the chest, which intensifies with deep breathing and coughing;

  1. Superficial breathing, limiting the mobility of one half of the chest. The patient lies on the affected side;

  1. Percussion: limitation of the mobility of the lower border of the lung on the side of the lesion;

  2. The noise of pleural friction during auscultation, sometimes confirmed by palpation;

  1. With diaphragmatic pleurisy, pain radiates to the upper half of the abdomen or along the phrenic nerve to the neck. With apical pleurisy - pain during palpation of the trapezius muscles and pectoralis major muscles (Sternberg and Pottenger symptoms, respectively).

  1. X-ray: on the side of the lesion, a high standing of the diaphragm, limitation of excursion of the lower edge with fluoroscopy, signs of a disease that caused pleurisy.

10. Respiratory failure syndrome

REASONS: is a complication of any severe pathological process or disease or a secondary lesion of the respiratory system.

Respiratory failure is a pathological condition of the body in which the normal gas composition of the blood is not maintained or is achieved due to the strain of compensatory-adaptive mechanisms leading to a decrease in the functional capabilities of the body. SYMPTOMS:

  1. The most constant and leading sign of respiratory failure is shortness of breath. The severity of dyspnea reflects the degree of respiratory failure.

According to the classification of A.K. Dembo, proposed back in 1954 and currently used, 3 degrees of respiratory failure are distinguished:

  1. degree. Latent (asymptomatic) RF (shortness of breath with moderate and significant physical exertion, the gas composition of the blood at rest is not changed).

  1. degree. Compensated RF (shortness of breath with slight physical exertion, at rest - hypoxemia, no hypercapnia, compensatory mechanisms are already at rest).

  1. degree. Decompensated RF (shortness of breath at rest, hypoxemia and hypercapnia).

In the diagnosis of respiratory failure, Stange tests are widely used - breath holding at the height of inspiration and Gencha - holding the breath at the height of exhalation. The lower limits of the norms of these samples are 40 and 20 s.

  1. Another mandatory and universal sign of respiratory failure is diffuse cyanosis.

  1. With severe respiratory failure are possible: forced body position (for example, the position of orthopnea in an attack of bronchial asthma), erythrocytosis, tachycardia, a change in the gas composition of the blood (pulse oximetry).

  1. Change in spirometric indicators.

  1. obstructive;

  2. restrictive;

  3. mixed.

Table 2.2 Classification of respiratory failure by the state of blood gases

degree

Р О2, мм рт.ст.

Sp02, %

Normal level

>80

>95

I

60-79

90-94

II

40-59

75-89

III

<40

<75