11 results
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
bradycardia ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
bradycardia • ... of conduction block ... #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
bradycardia ... • Sinus pauses ... • AV block ... Medication side effect (e.g ... Medication side effect (e.g
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
- Differential Diagnosis ... exam • 12-lead ECG ... • Bradycardia-tachycardia ... Valvular disease (e.g ... #Palpitations #Cardiology
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... group-beating" on the ECG ... #ekg #ecg #diagnosis ... #electrocardiogram ... #classification
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
remember to tailor treatment ... (eg. remifentanil ... #Anesthesiology ... Intraoperative #Checklist #Diagnosis ... Management #Workup #Cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... Bundle branch block ... 300 = NSVT EKG ... more intensive treatment ... #differential #cardiology
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
• Unexplained tachycardia ... or bradycardia ... alternate vasopressor (e.g ... glucagon in ß-blocked ... #Anaphylaxis #Anesthesiology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
ARBs, NSAIDs, β-blockers ... draw, ↑↑Plts or ↑↑WBC ... heparinized tube) • ECG ... only if no clear cause ... Monitor for tachycardia
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Clinical ... hyponatremia, bradycardia ... urinary retention, tachycardia ... - NORMAL CSF WBC ... Electrodiagnostic studies - EMG