13 results
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
on EKG Typical ... leads: Sawtooth waves ... #aflutter #ecg ... #ekg #electrocardiogram ... clinical #diagnosis #comparison
De Winter T Wave ECG Pattern 
STEMI Equivalent - Left anterior descending (LAD) occlusion 

1) Upsloping
De Winter T Wave ... ECG Pattern STEMI ... depressions and tall T waves ... #DeWinter #TWaves ... #ECG #EKG #Electrocardiogram
De Winter T-Waves on EKG
 - Anterior OMI
 - 2% of left anterior descending occlusions
 -
De Winter T-Waves ... T waves may come ... before or after STEMI ... FOAMfrat #DeWinter #TWaves ... #EKG #ECG #Electrocardiogram
Isthmus Independent Atrial Flutter
 • Rapid atrial activity without typical inferior sawtooth waves suggests CTI-independent flutter
inferior sawtooth waves ... • Negative F waves ... • Positive F waves ... #aflutter #ecg ... #ekg #electrocardiogram
Typical (Counterclockwise) Atrial Flutter on EKG
 • Inferior leads: Sawtooth waves (fast up, slow down; "negative")
) Atrial Flutter ... leads: Sawtooth waves ... with positive "p waves ... #aflutter #ecg ... #ekg #electrocardiogram
Reverse Typical (Clockwise) Atrial Flutter on EKG
 • Inferior leads: "Positive" waves often notched (usually not
Reverse Typical ... leads: "Positive" waves ... & negative "P waves ... #aflutter #ecg ... #ekg #electrocardiogram
De Winter T Wave on ECG

Diagnostic Criteria
 - Tall, prominent, symmetric T waves in the precordial
De Winter T Wave ... prominent, symmetric T waves ... aVR - “Normal” STEMI ... #DeWinter #TWaves ... #Electrocardiogram
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... symmetrical T-waves ... • Hyperacute T wave ... #EKG #diagnosis ... differential #cardiology #electrocardiogram
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
- hyperacute T waves ... - deWinter T waves ... stenosis - U wave ... depression or T wave ... #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(4) Vfib/flutter ... (2) Atrial flutter ... 3 different P waves ... #EKG #diagnosis ... #electrocardiogram