10 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... to diagnose the case ... Hussainch #Cannon #Awaves ... #AVNRT #PhysicalExam ... #JVP #Cardiology
Supraventricular Tachycardia EKG

Here’s a great ECG case of a 50-year-old lady who presented with palpitations

Her heart
Supraventricular Tachycardia EKG ... Here’s a great ECG ... distinguishing QRS from ... #Tachycardia #EKG ... #Cardiology #EKG
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... aVR • Classic EKG ... tachycardia (SVT ... #AVR #leadAVR #ecg ... electrocardiogram #diagnosis #ekg
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Caused by atrial ... atrial activation from ... SVT (e.g., junctional ... 2LmUODZ #Cannon #AWaves ... #diagnosis #cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... cardiac glycoside from ... Digoxin effect on ECG ... Electrocardiogram #EKG ... #ECG
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... Valvular disease (e.g ... vagal maneuvers: SVT-AVNRT ... bending over: AVNRT ... #Palpitations #Cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... longer pause 2º ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
incoming current from ... ECG usually shows ... : regular narrow ... Pathophysiology #cardiology ... #SVT
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
WOBBLER for ECG ... patient, going from ... Mnemonic #Syncope #EKG ... #ECG #Diagnosis ... #Cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... heart disease Causes ... EKG Findings ... opposite direction from ... #differential #cardiology