…Bedside parameters Spirometry Parameter Meaning : : FEV₁ Forced expiratory volume in the first second FVC Forced vital capacity FEV₁/FVC The ratio that defines obstruction PEF…

…rheumatoid arthritis or scleroderma, and during treatment with pulmonary toxic drugs. Contraindications Forced expiration raises the pressure in the thorax, the abdomen, the skull and…

CPR The forces that drive coronary and cerebral perfusion, and ventilation of the lungs during cardiopulmonary resuscitation (CPR) differ substantially from normal circumstances. The purpose…

Procedurer A dislocation is reduced with muscle relaxation, not with force. The methods that work best exploit time, gravity and slow movement; those that fail…

…Vasopressors induce vasoconstriction and increase mean arterial pressure (MAP). Inotropes increase cardiac contractile force (contractility). Several endogenous and synthetic agents exist and are frequently combined…

…Vasopressors induce vasoconstriction and increase mean arterial pressure (MAP). Inotropes increase cardiac contractile force (contractility). Several endogenous and synthetic agents exist and are frequently combined…

…the thrombus is formed in the deep veins of the legs or pelvis. Thrombi formed in the deep veins in the legs or pelvis can…

…has low sensitivity with respect to detecting biventricular hypertrophy. This is because the strong and oppositely directed forces tend to cancel each other out. However…

…with a collection of pus. Persistent painful induration after a few days of antibiotics — suggests that an abscess has formed. Ultrasound settles the question when…

…populations, reflecting differences in fat distribution and ethnicity. Abdominal obesity is a major driving force. Visceral adipose tissue is metabolically active and produces proinflammatory mediators…