11 results
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Fibrillation with Complete ... Heart Block and ... :1 AV Block • Bidirectional ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
type of cardiac arrhythmia ... The arrhythmias ... Complete heart block ... , sino-atrial (SA ... #Diagnosis #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 ... Incomplete or Complete ... Embolism #AcutePE #diagnosis ... #cardiology #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
encompassing a QRS complex ... intervening QRS complex ... Wandering Atrial ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
encompassing a QRS complex ... intervening QRS complex ... Wandering Atrial ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
300 = NSVT EKG ... capture of the atria ... Differential Diagnosis ... #PVCs #PVC #diagnosis ... #differential #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... aVR • Classic EKG ... • Predictor of arrhythmia ... tachycardia • Narrow complex ... #cardiology
Coronary Artery Embolism - Etiology and Scoring
Etiology:
 • Direct: Clot (LV thrombus, LAA Thrombus), Valve (Vegetation,
based on TTE, TEE, CT ... non-culprit vessels • Atrial ... prosthetic valve, PFO, ASD ... cardiac surgery, endocarditis ... Artery #Embolism #diagnosis
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Libman Sacks) • Atrial ... Paradoxical emboli via ASD ... Diagnosis? ... ↑ ESR, CRP • EKG ... #cardiology
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
inversion • Arrhythmias ... Stop or rapidly complete ... Consider invasive arterial ... consultation with cardiology ... Intraoperative #Checklist #Diagnosis