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ECG Basics - Atrial Rhythms #Cardiology #MedStudent #EKG #Atrial #SVT #Comparison #Table #AFib #AFlutter #MAT #WAP
ECG Basics - Atrial ... Rhythms #Cardiology ... #MedStudent #EKG ... #Atrial #SVT #Comparison ... MAT #WAP #WPW #SVT
Supraventricular tachycardia (SVT) is an abnormally fast heart rhythm arising from improper electrical activity in upper
abnormally fast heart ... upper part of the heart ... ), atrial flutter ... Clinical #MedStudent #Cardiology ... #EKG #SVT #SupraVentricularTachycardia
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
Typical ECG changes ... especially left heart ... leads indicates atrial ... inverted #Diagnosis #EM ... #IM #Cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... events in-hospital. heart ... Subepicardial atrial ... : AVNRT, AVRT, atrial ... #differential #cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
rate control) - Heart ... Digoxin effect on ECG ... : - Scooping ST ... #Cardiology #Digitalis ... #ECG
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... flutter, or atrial ... Valvular disease (e.g ... vagal maneuvers: SVT-AVNRT ... #Palpitations #Cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
• As the heart ... Wandering Atrial ... Sinus #Arrhythmia #cardiology ... #ecg #electrocardiogram ... variants #clinical #comparison
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... progression ST ... proportional to heart ... Interpretation #ECG ... Electrocardiogram #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Summary of Heart ... Brady Management ... P and QRS • Atrial ... electrocardiogram #ecg ... #cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
of structural heart ... Underlying ischemic heart ... capture of the atria ... arrhythmia • Atrial ... #differential #cardiology