16 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Digoxin is a cardiac ... rate control) - Heart ... Digoxin effect on ECG ... : - Scooping ST ... #Cardiology #Digitalis
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
events in-hospital. heart ... Subepicardial atrial ... of AVRT in WPW (sens ... #AVR #leadAVR #ecg ... #differential #cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... muscle twitching CARDIAC ... Nonarrhythmic Cardiac ... vagal maneuvers: SVT-AVNRT ... #Palpitations #Cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... progression ST ... proportional to heart ... a normal QT is less ... Electrocardiogram #cardiology
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
CM5 continuous ECG ... Consider invasive arterial ... especially in heart ... consultation with cardiology ... Checklist #Diagnosis #Management
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
manifestation of cardiac ... of structural heart ... capture of the atria ... arrhythmia • Atrial ... #differential #cardiology
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
Right Heart Catheterization ... CARDIAC POWER OUTPUT ... correlate in the SHOCK trial ... much as 40% in cardiac ... catheter #diagnosis #cardiology
Intra-Aortic Balloon Pump (IABP)

Intra-aortic balloon counter-pulsation is a method of invasive hemodynamic support. A catheter is
sync with the cardiac ... stroke volume (SV ... • Triggers (EKG ... Pump #diagnosis #management ... #cardiology #criticalcare
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
Weinckebach" • Less ... independently of the atria ... and the rate is set ... #heartblock #cardiology ... #ecg #ekg #diagnosis
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Libman Sacks) • Atrial ... : • New cardiac ... ↑ ESR, CRP • EKG ... Endocarditis #diagnosis #management ... #cardiology