25 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
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 ... QRS interval on EKG ... WolffParkinsonWhite #WPW #Cardiology ... #Clinical #Diagnosis
Cardiac Amyloid - Diagnosis, Signs, Symptoms and Management

Clinical Presentation
- exertional dyspnea
- peripheral edema
- exertional syncope
- peripheral
Cardiac Amyloid ... Management Clinical ... hepatomegaly - normal ... despite hx HTN) EKG ... precordial leads) - atrial
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... (e.g. ectopic atrial ... variant), Amplitude ... 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
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
Myocarditis
Diagnosis 
• Endomyocardial biopsy (gold standard, rarely performed) 
• Clinical presentation 
• Cardiovascular MRI 
Clinical 
•
Myocarditis Diagnosis ... summation gallop • Abnormal ... ECG, echocardiogram ... shock, sudden cardiac ... #Management #Cardiology
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