Shock

Posted 3 July, 2009 - 05:40 by steve

Cardiogenic

- Anterior myocardial infarction

- Arrhythmia

- Dilated cardiomyopathy

- Aortic stenosis

- Acute mitral regurgitation

Obstructive

- Massive pulmonary embolism

- Pericardial tamponade

- Constrictive pericarditis

- Tension pneumothorax

Hypovolemic

- Hemorrhage

- Fluid depletion

Distributive

- Sepsis

- Anaphylaxis

- Adrenal insufficiency

- Neurogenic

 

Sepsis syndrome, defining parameters  
• Temperature Hypothermia < 35ºC–96ºF or hyperthermia > 39ºC–101ºF
• Tachycardia > 90 beats/minute
• Tachypnea > 20 breaths/minute
• Site of infection Clinically evident focus of infection or positive blood cultures
• Organ dysfunction 1+ end organs with either dysfunction or inadequate perfusion or cerebral dysfunction
• Metabolic derangement Hypoxia–PaO2 < 75 mm Hg, ? plasma lactate/unexplained metabolic acidosis
• Fluid imbalance Oliguria–< 30 mL/hr
• WBC counts < 2.0 x 109/L; > 12.0 x 109/L–US: < 2000/mm3; > 12 000/mm3