11 results
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
becoming acute anterior ... with history of angina ... Wellens #Sign #EKG ... #ECG #Electrocardiogram ... #Diagnosis #Cardiology
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
be a cause of anterior ... capsuloligamentous injury ... shoulder #clinical #mri ... #clinical #Radiology ... #diagnosis #msk
Acute Coronary Syndrome (ACS) Definitions - Stable Angina, Unstable Angina, NSTEMI, STEMI
1 STABLE ANGINA - Angina
Acute Coronary Syndrome ... rapidly over a short ... is reflected by ECG ... #Diagnosis #Cardiology ... Text: The Only EKG
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... @AmyChung #EKG ... Interpretation #ECG ... Electrocardiogram #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... point • De Winter syndrome ... #Equivalents #ECG ... #EKG #diagnosis ... #differential #cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... in avL - early inferior ... #Ischemia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
500 DANGER - Short ... QT <300-360 ms: ... #Approach #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
Periosteal Sleeve Avulsion ... Similar injury to ... lesion #clinical #mri ... #clinical #Radiology ... #diagnosis #msk
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
interval J Wave Syndromes ... anteroseptal and inferior ... Prinzmetal's Angina ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
MI • PAPi < 1.85 ... RV dysfunction. e.g ... forward flow. e.g ... Ahmed Ghoneem, MD MSc ... catheter #diagnosis #cardiology