24 results
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
the tricuspid valve ... appearance on ECG ... to the flutter waves ... #Diagnosis #ECG ... #EKG #Cardiology
A Lewis Lead (also called the S5 lead) is a modified ECG lead used to detect
is a modified ECG ... used to detect atrial ... atrial flutter ... clinically, based on signs ... #Cardiology #EKG
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Triage EKG (no prior ... Differential/diagnosis ... , and additional ... #A4c #clinical ... #cardiology #McConnells
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 ... excludes other differentials ... PhysicalExam #JVP #Cardiology ... #Neck #Frog #Sign
Cardiac Amyloid - Diagnosis, Signs, Symptoms and Management

Clinical Presentation
- exertional dyspnea
- peripheral edema
- exertional syncope
- peripheral
, Symptoms and Management ... despite hx HTN) EKG ... pseudoinfarct pattern (Q-waves ... precordial leads) - atrial ... #Symptoms #Cardiology
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... without chest pain, as ... Serial EKGS in pts ... EKG #ECG #Electrocardiogram ... #Diagnosis #Cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... J point • De Winter ... V2 • Wellens sign ... #differential # ... cardiology #electrocardiogram
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Equivalents / Don't Miss Signs ... bigger than QRS - deWinter ... upsloping ST dep and ... electrocardiogram #cardiology ... Interpretation #differential
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 ... #EKG #Cardiology ... #Crochetage #Sign ... #ASD
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial ... #AVR #leadAVR #ecg ... #differential # ... cardiology