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Cardiopulmonary Resuscitation PowerPoint Presentation

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Description : Check out this medical PowerPoint presentation titled "Cardiopulmonary Resuscitation" by G. G. Mkhoyan.

This medical PowerPoint presentation talks about Cardiopulmonary resuscitation (CPR), a life-saving technique used to restore the function of the heart and lungs when they have stopped working. It is used in emergency situations such as cardiac arrest or near-drowning, where the person is not breathing or their heart has stopped.

CPR involves a combination of chest compressions and rescue breaths to manually circulate oxygenated blood throughout the body. The goal of CPR is to maintain a sufficient amount of blood flow to the brain and vital organs until medical help arrives.

Tags : Cardiopulmonary Resuscitation, CPR, cardiac arrest, Emergency Medicine, Emergency Medicine PowerPOint presentation

Published on : Apr 03, 2023 | Views : 1708 | Downloads : 5

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Slide 1-

1 CARDIOPULMONARY RESUSCITATION Chair of Anesthesiology and Intensive Care Yerevan State Medical University G. G. Mkhoyan
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2 HISTORICAL REVIEW 5000 - first artificial mouth to mouth 3000 BC ventilation 1780 – first attempt of newborn resuscitation by blowing 1874 – first experimental direct cardiac massage 1901 – first successful direct cardiac massage in man 1946 – first experimental indirect cardiac massage and defibrillation 1960 – indirect cardiac massage 1980 – development of cardiopulmonary resuscitation due to the works of Peter Safar
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3 Causes of cardiac arrest cardiac extracardiac Primary lesion of cardiac muscle leading to the progressive decline of contractility, conductivity disorders, mechanical factors all cases accompanied with hypoxia
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4 Causes of circulation arrest Cardiac Ischemic heart disease (myocardial infarction, stenocardia) Arrhythmias of different origin and character Electrolytic disorders Valvular disease Cardiac tamponade Pulmonary artery thromboembolism Ruptured aneurysm of aorta Extracardiac airway obstruction acute respiratory failure shock reflector cardiac arrest embolisms of different origin drug overdose electrocution poisoning
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5 Diagnosis of cardiac arrest Symptoms of cardiac arrest absence of pulse on carotid arteries – a pathognomonic symptom respiration arrest – may be in 30 seconds after cardiac arrest enlargement of pupils – may be in 90 seconds after cardiac arrest Blood pressure measurement  Taking the pulse on peripheral arteries  Auscultation of cardiac tones Loss of time !!!
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6 Sequence of operations Check responsiveness Call for help Correctly place the victim and ensure the open airway Check the presence of spontaneous respiration Check pulse Start external cardiac massage and artificial ventilation
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7 In case of unconsciousness it is necessary to estimate quickly the open airway respiration hemodynamics
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8 Main stages of resuscitation A (Airway) – ensure open airway by preventing the falling back of tongue, tracheal intubation if possible B (Breathing) – start artificial ventilation of lungs C (Circulation) – restore the circulation by external cardiac massage D (Differentiation, Drugs, Defibrilation) – quickly perform differential diagnosis of cardiac arrest, use different medication and electric defibrillation in case of ventricular fibrillation
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9 A (Airway) ensure open airway
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10 Open the airway using a head tilt lifting of chin. Do not tilt the head too far back Check the pulse on carotid artery using fingers of the other hand
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11 B (Breathing) Tilt the head back and listen for. If not breathing normally, pinch nose and cover the mouth with yours and blow until you see the chest rise.
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12 mouth to mouth or mouth to nose respiration ventilation by a face mask and a self-inflating bag with oxygen 2 initial subsequent breaths wait for the end of expiration 10-12 breaths per minute with a volume of app. 800 ml, each breath should take 1,5-2 seconds Algorithm for artificial ventilation
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13 C. Circulation Restore the circulation, that is start external cardiac massage
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14 2 mechanisms explaining the restoration of circulation by external cardiac massage Cardiac pump Thoracic pump
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15 Cardiac pump during the cardiac massage Blood pumping is assured by the compression of heart between sternum and spine Between compressions thoracic cage is expanding and heart is filled with blood
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16 Thoracic pump at the cardiac massage Blood circulation is restored due to the change in intra thoracic pressure and jugular and subclavian vein valves During the chest compression blood is directed from the pulmonary circulation to the systemic circulation. Cardiac valves function as in normal cardiac cycle.
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17 ALGORITHM of Cardiopulmonary resuscitation 4 cycles: 15 compression and 2 breaths 10 cycles: 5 compression and 1 breath check the pulse on carotid arteries (5 sec) in case of absence of pulse continue resuscitation 2 breaths (duration 1 – 1.5 sec.) palpation of pulse on carotid arteries (5 – 10 sec.) in case of absence of pulse initiate external cardiac massage 1 person compression rate 80 – 100/min. compression/breath = 15 : 2 compression rate 80 – 100/min compression/breath = 5 : 1 2 breaths in 4 – 7 sec. breath during 1 – 1.5 sec. after each 5th compression 2 persons a a a
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18 VENTRICULAR FIBRILLATION OR PULSELESS TACHYCARDIA Witnessed Unwitnessed Precordial thump Check pulse, if none: Begin CPR Defibrillate with 200 joules Defibrillate with 200-300 joules Establish IV access, intubate Adrenaline 1 mg push Defibrillate with 360 joules Lidocaine 1 mg/kg IV, ET Defibrillate with 360 joules
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19 Possible arrhythmias after cardiac defibrillation ventricular tachycardia bradyarrythmia including electromechanical dissociation and asystole supraventricular arrhythmia accompanied with tachycardia supraventricular arrhythmia with normal blood pressure and pulse rate
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20 Operations in case of asystole Asystole Start CPR IV line Adrenaline:IV 1 mg, each 3-5 min. or intratracheal 2 - 2.5 mg in the absence of effect increase the dose Atropine 1 mg push (repeated once in 5 min) Na Bicarbonate 1 Eq/kg IV Consider pacing
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21 Drugs used in CPR Atropine – can be injected bolus, max 3 mg to block vagal tone, which plays significant role in some cases of cardiac arrest Adrenaline – large doses have been withdrawn from the algorithm. The recommended dose is 1 mg in each 3-5 min. Vasopresine – in some cases 40 U can replace adrenaline Amiodarone - should be included in algorithm Lidocaine – should be used only in ventricular fibrillation