11 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... Digoxin effect on ECG ... at therapeutic level ... #EKG #Cardiology ... #Digitalis #ECG
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Classic EKG ... #AVR #leadAVR #ecg ... #diagnosis #ekg ... cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
P and QRS • Atrial ... Block infranodal level ... summary #Diagnosis #EKG ... #electrocardiogram ... #ecg #cardiology
Echocardiogram Windows - Nomenclature
Each view is described using three (3) components
1) Transducer Position or "Window"
Imaging Plane, e.g ... ., LAX, SAX, or4C ... Structures Visualized, e.g ... ) level, Two-chamber ... Nomenclature #POCUS #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
Blocks First Degree ... independently of the atria ... heart #heartblock #cardiology ... #ecg #ekg #diagnosis ... #electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
see below), 1st degree ... Syncope #Syndromes #ECG ... #EKG #Checklist ... #electrocardiogram ... #differential
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
the next highest degree ... terminalis) or in AV ... sharp contrast to AV ... wap #diagnosis #cardiology ... #ekg #ecg #electrocardiogram
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... exam • 12-lead ECG ... Valvular disease (e.g ... : SVT-AVNRT or AVRT ... #Palpitations #Cardiology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
or family - Ever ... indicated • EKG ... Obtain EKG if: ... - Cataract Plan ... one post op Cardiology