19 results
A Lewis Lead (also called the S5 lead) is a modified ECG lead used to detect
is a modified ECG ... waves when atrial ... flutter is suspected clinically ... , based on signs ... #Cardiology #EKG
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
Flutter on EKG ... Flutter • Inferior leads ... Flutter • Inferior leads ... Flutter #aflutter #ecg ... #cardiology #clinical
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... Specific for critical ... Serial EKGS in pts ... EKG #ECG #Electrocardiogram ... #Diagnosis #Cardiology
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial ... At-least 3 distinct P-wave ... morphologies in the same lead ... Tachycardia #diagnosis #cardiology ... #labeled #clinical
Cardiac Amyloid - Diagnosis, Signs, Symptoms and Management

Clinical Presentation
- exertional dyspnea
- peripheral edema
- exertional syncope
- peripheral
Management Clinical ... despite hx HTN) EKG ... early precordial leads ... ) - atrial fibrillation ... #Symptoms #Cardiology
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
Atrial Flutter on EKG
 • Regularly-occurring atrial activity
 • ≥ 240 atrial depolarizations (i.e. flutter waves)
EKG • Regularly-occurring ... (i.e. flutter waves ... in at least one lead ... Flutter #aflutter #ecg ... #cardiology #clinical
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
In AVNRT, the atria ... EKG of the same ... that’s called “clinical ... Hussainch #Cannon #Awaves ... PhysicalExam #JVP #Cardiology
Typical (Counterclockwise) Atrial Flutter on EKG
 • Inferior leads: Sawtooth waves (fast up, slow down; "negative")
Counterclockwise) Atrial ... • Inferior leads ... Counterclockwise #Atrial ... Flutter #aflutter #ecg ... #cardiology #clinical
Atrial septal defect

An ECG may show the “crochetage” pattern (92% specific)—a notch near the apex of
Atrial septal defect ... apex of the R wave ... inferior limb leads ... #EKG #Cardiology ... #Crochetage #Sign