20 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
is a cardiac glycoside ... nodal conduction Uses ... and atrial flutter ... Digoxin effect on ECG ... #EKG #Cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (3) Multifocal atrial ... 200ms from longer pause ... #electrocardiogram ... #cardiology #differential
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
Causes of Palpitations ... ARRHYTHMiA • SINUS ... FLUTTER • HEART ... SYPATHOMIMETICS • CARDIAC ... Differential #Diagnosis #Cardiology
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 ... Adrenergic Drive: • Sinus ... AcutePE #diagnosis #cardiology ... #electrocardiogram
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
flutter, ectopic ... Treat underlying cause ... Treat underlying cause ... Tachycardia #Treatment #management ... #cardiology #algorithm
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... flutter, or atrial ... muscle twitching CARDIAC ... Nonarrhythmic Cardiac ... #Palpitations #Cardiology
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
CM5 continuous ECG ... Consider invasive arterial ... consultation with cardiology ... Checklist #Diagnosis #Management ... #Workup
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
rate >100 bpm sinus ... 100 bpm and non-sinus ... consider: o Cardiac ... Checklist #Diagnosis #Management ... #Workup
Acute Atrial Fibrillation - Initial Options for Rate Control
Diltiazem IV
 •  Rapid onset and rapidly
Acute Atrial Fibrillation ... regimen is not as clear ... conversion to sinus ... #pharmacology #management ... #cardiology #AFib
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
manifestation of cardiac ... capture of the atria ... tachycardia • Sinus ... arrhythmia • Atrial ... #differential #cardiology