6 results
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... @AmyChung #EKG ... #ECG #Electrocardiogram ... #cardiology #diagnosis
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
QRS in 6s x 10 Rhythm ... Short QT <300-360 ms ... #Approach #ECG ... #EKG #diagnosis ... #interpretation
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
is gradual and rhythmic ... is gradual • After ... #diagnosis #ekg ... #ecg #electrocardiogram ... variants #clinical #comparison
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... after) the J point ... elevation in aVR • Posterior ... #Equivalents #ECG ... #EKG #diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
is gradual and rhythmic ... is gradual • After ... #diagnosis #ekg ... #ecg #electrocardiogram ... variants #clinical #comparison
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
RV dysfunction. e.g ... forward flow. e.g ... with irregular rhythms ... Ahmed Ghoneem, MD MSc ... #catheter #diagnosis