55 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... activation from SVT (e.g ... 2LmUODZ #Cannon #AWaves ... #diagnosis #cardiology ... #CVP
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
transmitted to JV ... EKG of the same ... are enough to diagnose ... Hussainch #Cannon #Awaves ... #PhysicalExam #JVP
Wellen's Syndrome 
Type A - Biphasic T wave 
Type B - Deeply inverted T wave
A - Biphasic T wave ... Deeply inverted T wave ... #TypeA #TypeB #Classification ... Types #Cardiology #EKG ... #Diagnosis
Hyperthyroidism (low TSH, High T4/T3) - Diagnostic Algorithm

Radioactive iodine scan – get if concern for nodular
Graves disease – ... Graves disease! ... workup choices ... AND management options ... #Algorithm #Workup
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
appearance on ECG ... to the flutter waves ... #Diagnosis #ECG ... #EKG #Cardiology ... Flutter #Types #Classification
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
3 different P wave ... hypertension Management ... MAT #Cardiology #Diagnosis ... #ECG #EKG #Management
Hyperacute Hypoxemia - Workup and Management
Differential Diagnosis: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Hyperacute Hypoxemia - Workup ... and Management ... , Volume Exam (JVP ... Hypoxemia #Hypoxia #Workup ... #diagnosis #Management
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... potassium and ECG ... - Absence of T wave ... potassium #high #diagnosis ... #management #algorithm
Shock - Diagnosis and Management Summary
 • Hypotension: SBP<90, SBP drop >40, MAP<65 (Normotension, HTN possible
Shock - Diagnosis ... and Management ... telemetry, 12-Lead EKG ... and Survey 4) Workup ... crackles, elevated JVP
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
non-conducted P wave ... Brady Management ... HeartBlocks #Types #Classification ... degrees #summary #Diagnosis ... #EKG #electrocardiogram