222 results
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Action, ↑ EFR & AP ... Action, ↓ EFR & AP ... phase 2 (↑ERP & ↑AP ... interval (delays time repolarization ... prolong AV node repolarization
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Action, ↑ EFR & AP ... Action, ↓ EFR & AP ... prolong AV node repolarization ... interval (delays time repolarization ... prolong AV node repolarization
Differential Diagnosis for ST Segment Elevations
 - ACUTE STEMI 
 - PULMONARY EMBOLISM 
 - LBBB
EMBOLISM - LBBB (PACEMAKER ... - BENIGN EARLY REPOLARIZATION
WAP - Wandering Atrial Pacemaker #Clinical #Cardiology #MedStudent #EKG #WAP #WanderingAtrialPacemaker #ECGEducator
WAP - Wandering ... Atrial Pacemaker ... MedStudent #EKG #WAP
Comparison between Wandering atrial pacemaker (A) vs multifocal atrial arrhythmia (B)

#WAP #MAR #wandering #atrial #pacemaker #comparison
Wandering atrial pacemaker ... arrhythmia (B) #WAP ... wandering #atrial #pacemaker
Pacemaker Operating Modes
1 - Chamber paced
     A (atrium), V (ventricle), D (dual/both)
2
Pacemaker Operating ... period of time the pacemaker ... would trigger pacemaker-mediated ... The voltage the pacemaker ... EricsMedicalLectures/featured #Pacemaker
Temporary / External Pacing
 • Transvenous & epicardial pacing are temporary methods of supporting brady- &
permanent implanted pacemaker ... required to trigger depolarization ... to identify a depolarization ... MD @nickmmark #pacemaker
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Blockade • Slows depolarization ... in fast AP cells ... Blockade • Slows depolarization ... in slow AP cells ... in slow AP cells
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
for ventricular repolarization ... Prolonged JT interval was
Coronary Artery Localization on ECG and POCUS

#Coronary #Artery #Localization #ECG #EKG #Electrocardiogram #Echocardiogram #Diagnosis #Cardiology #Map
Localization on ECG and POCUS ... Diagnosis #Cardiology #Map ... #POCUS