Hamad At The Cooperative

Causes of Unconsciousness
1. Trauma
2. Hemorrhage
3. Drug overdose
4. Alcohol poisoning
5. Low blood sugar
6. Low blood pressure
7. Transient ischemic attack
8. Arrhythmia
9. Dehydration
Heart Function
1. Right Side
  1. Receives deoxygenated blood from entire body
  2. Pumps this blood to lungs for oxygenation
2. Left Side
  1. Receives oxygenated blood from lungs
  2. Pumps this blood to the entire body
3. Cardiac Action Potential Generation
Steps of Performing CPR
1. Check scene for safety and use PPE
2. Call 911
3. Place person on their back and open their airway
4. Check if person is breathing
5. Perform 30 chest compressions
6. Perform 2 rescue breaths
7. Repeat above steps
Causes of Syncope
1. Arrhythmia
2. Low blood pressure
3. Orthostatic hypotension
4. Extreme pain or fear
5. Pregnancy
6. Dehydration
7. Exhausation
Electrocardiogram
1. Records electrical activity of the heart
2. Why is ECG performed?
  1. Arrhythmia
  2. Coronary artery disease
  3. History of MI
  4. Check function of artificial pacemaker
3. Components of an ECG
  1. P wave - atrial depolarisation
  2. QRS complex - ventricular depolarisation
  3. T wave - ventricular repolarisation
  4. PR interval - initial depolarisation of atria to initial depolarisation of ventricle
  5. QT interval - 1st ventricular depolarisation to last ventricular repolarisation
Physiological Differences b/w Skeletal & Cardiac Muscle
Conduction Pathway of the Heart
Sick Sinus Syndrome
1. Causes
  1. Coronary artery disease
  2. Heart failure
  3. A-fib
  4. History of MI
  5. Hypothyroidism
  6. Hyperkalemia
2. Symptoms
  1. Dizziness
  2. Chest pain
  3. SOB
  4. Fainting
3. Treatment
  1. Change drug regimen
  2. Blood thinners
  3. Artificial pacemaker
Anti-Arrhythmics
1. Class 1 - Na+ Channel Blockers
  1. Class 1A - quinidine, procainamide & dispyramide
  2. Class 1B - lidocaine & mixelitine
  3. Class 1C - flecainide & propafenone
2. Class 2 - Beta Blockers
  1. Propanolol
  2. Metoprolol
  3. Atenolol
3. Class 3 - K+ Channel Blockers
  1. Amiodarone
  2. Sotalol
  3. Dofetilide
  4. Ibutilide
4. Class 4 - Ca2+ Channel Blockers
  1. Verapamil
  2. Diltiazem

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Hamad At The Cooperative

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	Creado por Ridha Umar hace casi 2 años