15952604
Description
Flashcards by Amelia Tuffley, updated more than 1 year ago
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Created by Amelia Tuffley
about 6 years ago
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| Question | Answer |
| Define cardiogenic shock | Diminished cardiac output leading to impaired tissue perfusion Most extreme form of pump failure |
| How much of the ventricle must infarct for cardiogenic shock to occur? | 40% |
| What is the mortality of cardiogenic shock? | >85% with treatment |
| Signs and symptoms of cardiogenic shock | - ALOC - Confusion, restlessness, anxiety, stupor, coma - Poor perfusion - cool, clammy skin, pallor - Weak or absent extremity pulses - Tachycardia - Slow or absent cap refil - BP <90 systolic or >30mmHg below normal |
| Cardiogenic shock confounding factors | - Arrhythmias - Hypovolaemia - Decreased vascualr tone |
| Treatment of cardiogenic shock | - Priorities are: - Rate - Rhythm - BP, volume, pump, vascular tone - Improve oxygenation and peripheral perfusion - Avoid increased cardiac workload/myocardial oxygen demand |
| Cardiogenic shock management, more detail | - Keep pt supine unless dyspnoeic, do not elevate lower extremities - Oxygenate via NRB - Consider assisting ventilations, decrease work of breathing - Monitor ECG - IV TKVO, limit fluids unless RHF, IV morphine - CCP to correct major rhythm disorders |
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