27 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Digoxin is a cardiac ... conduction Uses: - Atrial ... fibrillation and atrial ... biphasic T waves - Short ... #Cardiology #Digitalis
Atrial Fibrillation Overview

Symptoms:
Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

1. Why?
Cardiac:
• Valvular heart disease
•
Atrial Fibrillation ... intolerance, chest pain, near-syncope ... Cardiac: • Valvular ... #Fibrillation #Cardiology ... #Management #Algorithm
Cardiac Amyloid - Diagnosis, Signs, Symptoms and Management

Clinical Presentation
- exertional dyspnea
- peripheral edema
- exertional syncope
- peripheral
Cardiac Amyloid ... , Symptoms and Management ... despite hx HTN) EKG ... precordial leads) - atrial ... Signs #Symptoms #Cardiology
Cardiac Event Monitoring Devices - Compared
Ambulatory ECG (Hotter):
 • Advantages: Continuous recording, records asx events, all
Cardiac Event Monitoring ... Compared Ambulatory ECG ... Disadvantages: Short ... Devices #Comparison #cardiology ... #management #holter
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
origin within the atria ... (e.g. ectopic atrial ... • Saw-Tooth = Atrial ... de pointes • Short ... Electrocardiogram #cardiology
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
CM5 continuous ECG ... Inform theatre team ... Consider invasive arterial ... consultation with cardiology ... Checklist #Diagnosis #Management
Intra-Aortic Balloon Pump (IABP)

Intra-aortic balloon counter-pulsation is a method of invasive hemodynamic support. A catheter is
placed through an arterial ... sync with the cardiac ... • Triggers (EKG ... Pump #diagnosis #management ... #cardiology #criticalcare
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
in the lunate ("tea ... sit in lunate "tea ... Wrist #Carpal #Radiology ... #Orthopedics #Sports ... #MSK
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... : WPW, ectopic atrial ... 500 DANGER - Short ... QT <300-360 ms: ... electrocardiogram #cardiology
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
(e.g. facial trauma ... • FiO2 24-60% Partial ... the exhalation ports ... Delivery #Devices #management ... #pulmonary #criticalcare