22 results
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
on EKG Typical ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical ... #diagnosis #comparison
Isthmus Independent Atrial Flutter
 • Rapid atrial activity without typical inferior sawtooth waves suggests CTI-independent flutter
• Negative F waves ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical ... #diagnosis
Typical (Counterclockwise) Atrial Flutter on EKG
 • Inferior leads: Sawtooth waves (fast up, slow down; "negative")
on EKG • Inferior ... leads: Sawtooth waves ... #aflutter #ecg ... #cardiology #clinical ... #diagnosis
Reverse Typical (Clockwise) Atrial Flutter on EKG
 • Inferior leads: "Positive" waves often notched (usually not
on EKG • Inferior ... & negative "P waves ... #aflutter #ecg ... #cardiology #clinical ... #diagnosis
Atrial Flutter on EKG
 • Regularly-occurring atrial activity
 • ≥ 240 atrial depolarizations (i.e. flutter waves)
EKG • Regularly-occurring ... waves) / min ... #aflutter #ecg ... #cardiology #clinical ... #diagnosis
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
narrow-based T Waves ... • Pseudo-STEMI ... #Hyperkalemia #EKG ... #cardiology #diagnosis ... #clinical
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... inversion in avL ... #Ischemia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI Equivalents ... STEMI - Elevation ... of the leads l, aVL ... #EKG #diagnosis ... #differential #cardiology
Left Anterior Fascicular Block on EKG
 • Left axis deviation (LAD) (-45 degrees to -90 degrees)
Fascicular Block on EKG ... in leads I and aVL ... Fascicular #Block #diagnosis ... #cardiology #EKG ... #labeled #clinical
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Saw-Tooth = Atrial Flutter ... • Lateral (I + aVL ... Normal: Upright in all ... Electrocardiogram #cardiology ... #diagnosis #system