10 results
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
Premature atrial ... in II, Ill and aVF ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... #clinical
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... main coronary artery ... Subepicardial atrial ... • Classic EKG ... #cardiology
Pericarditis on EKG
Stage 1 - Widespread ST elevation (<5mm) and PR depression; In aVR: ST depression
depression; In aVR ... segments, usually best ... seen in acute MI ... #cardiology #diagnosis ... #clinical
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Wandering Atrial ... is gradual • After ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... #variants #clinical
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
boxes) - HiPR: AV ... : WPW, ectopic atrial ... Short QT <300-360 ms ... #EKG #diagnosis ... electrocardiogram #cardiology
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
blocks) - ECG Diagnosis ... • This is a clinically ... conducted or blocked PAC ... blocks #AVBlock #cardiology ... #ekg #ecg #diagnosis
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
mortality in inferior MI ... correlate in the SHOCK trial ... Ahmed Ghoneem, MD MSc ... #catheter #diagnosis ... #cardiology #swanganz
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Wandering Atrial ... is gradual • After ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... #variants #clinical
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
determine if stress test ... Obtain EKG if: ... Change in clinical ... one post op Cardiology ... stratification #diagnosis
Squamous-Cell Carcinoma of the Lung- ...Physical examination revealed decreased air entry in the base of the
revealed decreased air ... A pack of cigarettes ... biopsy confirmed a diagnosis ... #NEJM #clinical ... #radiology #CT #