23 results
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
• Inferior leads ... • Inferior leads ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
A Lewis Lead (also called the S5 lead) is a modified ECG lead used to detect
is a modified ECG ... clinically, based on signs ... ECG. ... #Cardiology #EKG ... #Flutter #ECGEducator
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
Virtually any arrhythmia ... inverted/Biphasic T waves ... #Toxicity #Electrocardiogram ... #ekg #ecg #toxicology ... #cardiology #diagnosis
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
from the foxglove leaf ... fibrillation and atrial flutter ... or biphasic T waves ... #EKG #Cardiology ... #Digitalis #ECG
Typical (Counterclockwise) Atrial Flutter on EKG
 • Inferior leads: Sawtooth waves (fast up, slow down; "negative")
Counterclockwise) Atrial Flutter ... leads: Sawtooth ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
Reverse Typical (Clockwise) Atrial Flutter on EKG
 • Inferior leads: "Positive" waves often notched (usually not
Clockwise) Atrial Flutter ... leads: "Positive ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
Atrial Flutter on EKG
 • Regularly-occurring atrial activity
 • ≥ 240 atrial depolarizations (i.e. flutter waves)
waves) / min ... in at least one lead ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... in precordial leads ... #Wellens #Sign # ... EKG #ECG #Electrocardiogram ... #Diagnosis #Cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Approach to ECGs ... Equivalents / Don't Miss Signs ... - starts below ... #electrocardiogram ... #cardiology #STEMI
Hypertrophic Cardiomyopathy (HOCM) - EKG Characteristics
Typical EKG findings may include:
 • Deep and narrow Q waves
lateral and inferior leads ... • General signs ... the precordial leads ... #ecg #clinical ... #cardiology #electrocardiogram