13 results
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Approach to ECGs - Ischemia ... Miss Signs of Ischemia ... inversion in avL ... #ECG #EKG #diagnosis ... electrocardiogram #cardiology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
Arrhythmia* (e.g ... also a result of atrial ... • Dominant R Wave ... leads) RV Ischemia ... Embolism #AcutePE #diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
: • The P wave ... Wandering Atrial ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... variants #clinical #comparison
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Arrhythmias on ... #tachycardia #cardiology ... #diagnosis #ekg ... electrocardiogram #clinical #comparison ... #Arrhythmias
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI Equivalents ... of the leads l, aVL ... deviation) • Acute ischemia ... #EKG #diagnosis ... #differential #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
predictor of recurrent ischemic ... Subepicardial atrial ... aVR • Classic EKG ... • Predictor of arrhythmia ... #cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
: • The P wave ... Wandering Atrial ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... variants #clinical #comparison
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
• Myocardial ischemia ... • Underlying ischemic ... 300 = NSVT EKG ... capture of the atria ... Differential Diagnosis
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
depression • T wave ... inversion • Arrhythmias ... Consider invasive arterial ... consultation with cardiology ... Intraoperative #Checklist #Diagnosis
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Arrhythmia (MAA ... of a variable P-wave ... dominant pacemaker focus ... #cardiology #ekg ... #comparison