11 results
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 ... QRS interval on EKG ... (Delta wave) 2 ... #EKG #Electrocardiogram
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
yes, then VT. 2. ... Bundle-branch morphology ... morphology in V1 and ... Tachycardia #Evaluation #Interpretation ... #ECG #EKG #Electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... (e.g. ectopic atrial ... @AmyChung #EKG ... #Interpretation ... #ECG #Electrocardiogram
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
QRS in 10s - 2 ... : WPW, ectopic atrial ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #interpretation
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
death. 2. ... Subepicardial atrial ... #electrocardiogram ... #diagnosis #ekg ... #differential #
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
- Differential ... Small secundum ASD ... to right shunt 2. ... echocardiogram #s4c ... #pocus #bubble
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
upsloping ST dep and ... #EKG #diagnosis ... #electrocardiogram ... #Equivalents #Interpretation ... #differential
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
- Mobitz Type 2 ... a Mobitz Type 2" ... independently of the atria ... #ekg #diagnosis ... #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Segment Elevation - Differential ... elevation seen > 2 ... Segment #Elevation #differential ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Double Shunt on Echocardiogram
What do you see on this saline contrast study, in a patient with
Early transit of bubbles ... = PFO 2. ... >LAP as atrial septum ... stretched PFO or ASD ... clinical #pocus #a4c