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