24 results
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
PR interval are normal ... Wandering Atrial ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... #variants #clinical
Osborn (J Wave)

Etiology 
• Hypothermia (below 320C / SOOF) 
• Normal variant 
• Hypercalcemia 
• Neurological
320C / SOOF) • Normal ... variant • Hypercalcemia ... fibrillation Clinical ... Osborn #JWave #Diagnosis ... #EKG #ECG #Hypothermia
Osborn waves - positive deflections at the J point (negative in aVR and V1) with a
configuration - are abnormal ... variant. ... This EKG was recorded ... #Cardiology #diagnosis ... #Clinical
Cardiac Amyloid - Diagnosis, Signs, Symptoms and Management

Clinical Presentation
- exertional dyspnea
- peripheral edema
- exertional syncope
- peripheral
- Diagnosis, Signs ... Management Clinical ... despite hx HTN) EKG ... precordial leads) - atrial ... #Diagnosis #Stages
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
characterized by an abnormal ... pathway between the atria ... WolffParkinsonWhite #WPW #Cardiology ... #ECG #EKG #Electrocardiogram ... #Clinical #Diagnosis
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
- Differential Diagnosis ... Takayasu disease • Normal ... variant Pulsus ... pressure >10mmHg: • Cardiac ... #Differential #Diagnosis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... variant), Amplitude ... @AmyChung #EKG ... Electrocardiogram #cardiology ... #diagnosis #system
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
PR interval are normal ... Wandering Atrial ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... #variants #clinical
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
Myocarditis Diagnosis ... summation gallop • Abnormal ... ECG, echocardiogram ... shock, sudden cardiac ... #Myocarditis #Diagnosis
Myocarditis 

5 Principles of
Myocarditis:
1. Build clinical suspicion
2. Decide on EMBx
3. Manage acute cardiac injury
4. Manage chronic
Build clinical suspicion ... Manage acute cardiac ... Pericarditis, Tamponade EKG ... agent, steroids, AC ... #Myocarditis #diagnosis