13 results
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Complete Heart Block and ... Tachycardia with 2:1 ... AV Block • Bidirectional ... Arrhythmias #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
1 AV conduction ... node (His bundle ... independently of the atria ... heart #heartblock #cardiology ... #ecg #ekg #diagnosis
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
pathway between the atria ... known as the bundle ... is ablation. 1 ... WolffParkinsonWhite #WPW #Cardiology ... #ECG #EKG #Electrocardiogram
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
Wide-Complex Tachycardia 1. ... AV Dissociation: ... Bundle-branch morphology ... morphology in V1 and ... #Diagnosis #Cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Cheat Sheet 1) ... interval < 120 ms = AV ... (e.g. ectopic atrial ... Interpretation #ECG ... Electrocardiogram #cardiology
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... x 10 Rhythm (1) ... boxes) - HiPR: AV ... : WPW, ectopic atrial ... pacer - QTc < 1/
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
or 3:1 block) ... QRS • Atrial ... • Block in AV ... electrocardiogram #ecg ... #cardiology
Coronary Artery Embolism - Etiology and Scoring
Etiology:
 • Direct: Clot (LV thrombus, LAA Thrombus), Valve (Vegetation,
non-culprit vessels • Atrial ... prosthetic valve, PFO, ASD ... cardiac surgery, endocarditis ... Major + 1 Minor ... scoring #criteria #cardiology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Endocarditis Summary ... Libman Sacks) • Atrial ... Paradoxical emboli via ASD ... ↑ ESR, CRP • EKG ... diagnosis #management #cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Hypokalemia • Bundle ... : • Low: <1 percent ... Intermediate burden: >1 ... capture of the atria ... arrhythmia • Atrial