19 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Digoxin is a cardiac ... nodal conduction Uses ... and atrial flutter ... biphasic T waves - Short ... #Cardiology #Digitalis
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
evaluating for other causes ... of cardio-pulmonary ... also a result of atrial ... Wave in V1 • Shift ... Embolism #AcutePE #diagnosis
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
Causes of Palpitations ... FLUTTER • HEART ... SYPATHOMIMETICS • CARDIAC ... #Differential #Diagnosis ... #Cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 200ms from longer pause ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
- Differential Diagnosis ... Palpitations Diagnosis ... exam • 12-lead ECG ... flutter, or atrial ... #Palpitations #Cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... Flutter PR Interval ... de pointes • Short ... Interpretation #ECG ... #diagnosis #system
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
CM5 continuous ECG ... Obtain a 12-lead ECG ... Consider invasive arterial ... consultation with cardiology ... Intraoperative #Checklist #Diagnosis
Acute Coronary Syndrome (ACS) Definitions - Stable Angina, Unstable Angina, NSTEMI, STEMI
1 STABLE ANGINA - Angina
rapidly over a short ... thrombus formation causes ... partial occlusion ... is reflected by ECG ... #Diagnosis #Cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
manifestation of cardiac ... heart disease Causes ... capture of the atria ... Differential Diagnosis ... arrhythmia • Atrial
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
WOBBLER for ECG ... syncope, can be caused ... associated with sudden cardiac ... #ECG #Diagnosis ... #Cardiology