8 results
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Phasic Sinus Arrhythmia ... PR interval are normal ... is gradual • After ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Phasic Sinus Arrhythmia ... PR interval are normal ... is gradual • After ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
including: • Coronary artery ... Cardiomyopathy • Inherited arrhythmia ... 300 = NSVT EKG ... (≥ 0.12s) with abnormal ... #differential #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
segment at (or 40-60 ms ... after) the J point ... V2 • Wellens sign ... pain • Wellens sign ... #EKG #diagnosis
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
of diagnosis (e.g ... anterior/posterior MSK ... ), liver (pain/abnormal ... disturbances, arrhythmias ... Diagnosis #Management #Signs
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
Catheterization - Pulmonary Artery ... PCWP PULMONARY ARTERY ... have a low or normal ... Ahmed Ghoneem, MD MSc ... catheter #diagnosis #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
STE: "Pardee's sign ... (Eiffel Tower sign ... • Epicardial artery ... ST Elevation of Normal ... #ecg #ekg #electrocardiogram
Pheochromocytoma - Diagnosis and Management Summary
10 percent rule = 10% of pheochromocytomas are extra-adrenal, multiple, bilateral,
Symptoms and Signs ... hypertension; some normal ... common symptoms and signs ... tachycardia, or arrhythmia ... After sufficient