14 results
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
w/ BBB (3) SVT ... tachycardia (MAT ... 3 different P waves ... #EKG #diagnosis ... electrocardiogram #cardiology
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
dual-chamber PPM set ... for DDI and an atrial ... tachycardia much ... than the PPM’s max ... Clinical #Video #Cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... aVR • Classic EKG ... : AVNRT, AVRT, atrial ... tachycardia (SVT ... #differential #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant Tachycardia ... ECG usually shows ... at rates of 120 ... Pathophysiology #cardiology ... #SVT
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
leads indicates atrial ... 3 - diffuse T wave ... inversions (may ... inverted #Diagnosis #EM ... #IM #Cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
- Decreases AV ... (at therapeutic ... : - Scooping ST ... or biphasic T waves ... #Cardiology #Digitalis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... interval < 120 ms = AV ... (e.g. ectopic atrial ... bradycardia • J ... Electrocardiogram #cardiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT - Wide Tachycardias ... (> 160ms) - AV ... QRS complexes at ... nadir of the S-wave ... #ekg #cardiology
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
200 msec) • P wave ... independently of the atria ... and the rate is set ... heart #heartblock #cardiology ... #ecg #ekg #diagnosis
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
QT interval J ... the J point in ... block; and sinus tachycardia ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram