Cardiac Arrhythmia | Part 1/3
#cardiacarrhythmia #cardiac #cardiology
Cardiac Arrhythmia | Part 1/3
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▬▬▬▬▬▬▬▬▬▬ Contents of this video ▬▬▬▬▬▬▬▬▬▬
(0:00-1:49)
Lecture outlines, 5 points
(1:50-9:58)
1-Normal Cardiac Rhythm; Heart Rate, Origin in SA node, normal conduction pathway, normal cardiac impulse velocity
(10:02-15:30)
2-Bradyarrythmias (BA); Mild, moderate and severe BA. Tachyarrhythmias (TA); Simple TA, Paroxysmal TA, Flutter, Fibrillation
(15:38-19:40)
Supraventricular Tachyarrhythmias (SVT): Sinus Arrythmia, Atrial Arrythmias, Junctional Arrythmias/Nodal Arrythmias. Ventricular Arrythmias
(19:48-25:38)
3,4-Mechanisms of Cardiac Arrythmias: Increased Automaticity; Epi-Norepinephrine's role
(25:41-30:39)
Triggered Automaticity: Early After Depolarization (EAD), Delayed After Depolarization (DAD).
(30:42-34:55)
Re-entry/Circus movement; Summary of Mechanisms of Cardiac Arrythmias
(35:10-40:44)
5-Physiological Sinus Arrythmias (PSA): Relationship between Vagus and SA node, Changes in Heart Rate during respiration. Clinical co-relates: Autonomic neuropathy in Diabetes Mellitus, Transplanted Heart
(40:46-49:38)
PSA and its ECG patterns: Decreased R-R distance in inspiration and vice versa in expiration, Sinus Tachycardia (ST) and Sinus Bradycardia(SB)[e.g. in athletes, hypothyroidism, hypothermia etc. ]; p-wave's significance in ST and SB
(49:41-52:15)
Clinical Co-relate: Sinus Tachybrady syndrome/Sick Sinus Syndrome plus Summary of Sinus Arrythmias (SA)
(52:20-1:01:28)
Atrial Tachyarrhythmias and ECG; Atrial Tachycardias, Atrial Flutter, Atrial Fibrillation
(1:01:31-1:02:24)
Management; Drugs that slow the AV node: Calcium Channel Blockers (CCB), Beta-blockers, Digitalis
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