8 results
The cardiac cycle and the ECG, all together explained

#Pathophysiology #Cardiology #CardiacCycle #Stages #Systole #Diastole #HeardSounds #Pressures
cycle and the ECG ... , all together explained ... #Pathophysiology ... #Cardiology #CardiacCycle ... Pressures #Phonogram #Electrocardiogram
Vasospastic (Prinzmetal) Angina
Definition / Epidemiology:
 • Rest angina attributed to coronary artery vasospasm.
 • Patients often
Vasospastic (Prinzmetal) Angina ... younger than other ACS ... Pathophysiology: ... changes on tele/ECG ... #cardiology #diagnosis
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
with QRS ≥120 ms ... JTInterval #QTc #electrocardiogram ... #pathophysiology ... #ekg #ecg #cardiology
Chest Pain / ACS Evaluation Algorithm
Algorithm that attempts to the use history taking (guided by LRs),
Chest Pain / ACS ... Ask about: - Changes ... - History - EKG ... diagnosis #Algorithm #cardiology ... #Angina
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
• Lateral (I + aVL ... Normal: Upright in all ... Interpretation #ECG ... #Electrocardiogram ... #cardiology #diagnosis
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
segment at (or 40-60 ms ... of the leads l, aVL ... #Equivalents #ECG ... #differential #cardiology ... #electrocardiogram
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
specific questions to ask ... Obtain EKG if: ... Intraabdominal - Orthopedic ... one post op Cardiology ... Unstable Angina
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
in aVR, not in aVL ... in aVR, not in aVL ... Prinzmetal's Angina ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram