12 results
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... within the atria (e.g ... @AmyChung #EKG ... Interpretation #ECG
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
QRS complex of normal ... VT #VTach #SVT #Comparison ... VentricularTachycardia #Versus #ecg ... #ekg #cardiology ... #diagnosis #electrocardiogram
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
dextrocardia, normal ... Short QT <300-360 ms ... #Approach #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
PR interval are normal ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram ... variants #clinical #comparison
Principal patterns of loss of sensation.
 (a) Thalamic lesion: sensory loss throughout opposite side (rare).
Central cord lesion, e.g ... lesion, e.g. ... MS: loss of proprioception ... root lesions, e.g ... #Diagnosis #Neurology
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Arrhythmias on ECG ... atrial tachycardia ECG ... waves will have normal ... #tachycardia #cardiology ... #diagnosis #ekg
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
PR interval are normal ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram ... variants #clinical #comparison
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
Multiple Sclerosis Diagnosis ... Radiographic findings (eg ... Laboratory findings (eg ... VEP’s: EEG of visual ... #management #neurology
Right Heart Catheterization - Pulmonary Artery Pressures and Calculations
PULMONARY VASCULAR RESISTANCE = (meanPAP-PCWP) / CO
 •
RV dysfunction. e.g ... have a low or normal ... forward flow. e.g ... artery #catheter #diagnosis ... #cardiology #swanganz
Myasthenia Gravis - Summary
 • an autoimmune disease of the postsynaptic neuromuscular junction associated with antibodies
50 years in men Diagnosis ... serologic, and EMG ... characteristic EMG ... - 1st line: Oral ... #management #neurology