12 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Tachycardia (MAT ... Secondary to chronic lung ... disease (COPD) ... #Cardiology #Diagnosis ... #ECG #EKG #Management
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (2) Sick Sinus Syndrome ... AV block 1º - long ... bradyarrhythmia #ECG ... #EKG #diagnosis
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
- Spinal Cord Syndromes ... Spinal stenosis - Abscess ... - Infection (e.g ... patients with a long ... #differential #diagnosis
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Septic Embolism (e.g ... Fat Embolism (e.g ... Mycotic Aneurysm (e.g ... Marfan's Syndrome ... blood vessels • Abscess
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... High altitude (eg ... to neurologic injury ... Intrapulmonary shunting (eg ... intracardiac shunting (eg
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Inherited arrhythmia syndromes ... (e.g., long QT ... syndrome, ARVC) ... 300 = NSVT EKG ... arrhythmia • Atrial
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Tachycardia: Belong ... dominant pacemaker focus ... #cardiology #ekg ... #ecg #electrocardiogram ... #comparison
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
causing endothelial injury ... ) Meltzer's Triad ... : • Clinical triad ... Labs/Diagnosis: ... tissue disorder (e.g
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
verrucous) • Lung ... Libman Sacks) • Atrial ... Septic Emboli Cause Injury ... Differential Diagnosis ... ↑ ESR, CRP • EKG
Pyogenic liver abscess in children
Common bacterial causes in children:
 • S.aureus
 • Strep spp
 • Enteric
from contiguous focus ... Hepatic artery (e.g ... ) • Traumatic injury ... #differential #diagnosis ... #hepatology