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The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Sinus Arrhythmia ... Phasic Sinus Arrhythmia ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... #variants #clinical
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
EKG "Mild" Hyperkalemia ... bradycardia • ... #EKG #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Sinus Arrhythmia ... Phasic Sinus Arrhythmia ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... #variants #clinical
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... , arrhythmias Etiology ... draw, ↑↑Plts or ↑↑WBC ... heparinized tube) • ECG ... Monitor for tachycardia
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
syndromes (e.g. ... Hypomagnesemia • Hypokalemia ... 300 = NSVT EKG ... • Sinus arrhythmia ... more intensive treatment
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
labile BP and arrythmias ... hyponatremia, bradycardia ... urinary retention, tachycardia ... - NORMAL CSF WBC ... Electrodiagnostic studies - EMG
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Atrial Pacemaker: VARIANT ... OF SINUS ARRHYTHMIA ... focus from the sinus ... #cardiology #ekg ... #ecg #electrocardiogram
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
remember to tailor treatment ... known drug causes (eg ... myocardial infarction, hyperkalaemia ... #Checklist #Diagnosis ... Management #Workup #Cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
bundle-branch block; and sinus ... tachycardia ... Elevation of Normal Variant ... #cardiology #ecg ... #ekg #electrocardiogram