14 results
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
200ms from longer pause ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology ... #differential
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Bundle branch block ... may not occur Differential ... Diagnosis: • PAC ... #differential # ... cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... exam • 12-lead ECG ... with variable block ... atrioventricular block ... #Differential #
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
effects of neuraxial block ... non-sinus → 2-7 Tachycardia ... #Hypotension #Differential ... Intraoperative #Checklist #Diagnosis ... #Management #Workup
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup and Differential ... Diagnosis Approach ... non-obese, non-black ... Neurologic disorders ... #Differential #
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
amphetamines) Toxic: • Radiologic ... Phaeochromocytoma Neurologic ... #Hyperthermia #Differential ... Anesthesia #Checklist #Diagnosis ... #Management #Workup
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Elevation - Differential ... Diagnosis Framework ... ; and sinus tachycardia ... #diagnosis #cardiology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... EMG: LMN Signs in ... conditions listed in differential ... Lateral #Sclerosis #neurology ... #diagnosis #management
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Marantic (NTBE) Differential ... ↑ ESR, CRP • EKG ... sided IE: heart block ... lesions, heart block ... #management #cardiology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Ab to AChR blocks ... life-threatening Differential ... myasthenia Diagnosis ... Serologic and EMG ... #management #neurology