54 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Secondary to chronic lung ... Tachycardia #MAT #Cardiology ... #Diagnosis #ECG ... #EKG #Management
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
evaluating for other causes ... common finding) • Atrial ... also a result of atrial ... Embolism #AcutePE #diagnosis ... #cardiology #electrocardiogram
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
- Differential Diagnosis ... Primary Back Pathology ... (most common: lung ... (most common: lung ... #causes #primarycare
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Differential Diagnosis ... carcinoma of the lung ... ) - CNS pathology ... - Pulmonary pathology ... #Table #Causes
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
- Differential Diagnosis ... : Interstitial lung ... bypassing the lungs ... , atrial or ventricular ... #Differential #Diagnosis
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves • Caused ... by atrial contracting ... activation from SVT (e.g ... Cannon #AWaves #diagnosis ... #cardiology #CVP
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(3) SVTs - atrial ... AV block 1º - long ... 200ms from longer pause ... #EKG #diagnosis ... electrocardiogram #cardiology
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Pulmonary Pathology ... pleura in severe cases ... submassive PE) POCUS ... #differential #diagnosis ... #signs #Lung #POCUS
This is a parasternal long axis view of a young patient presenting with 3 days of
x-ray and and ECG ... root, and left atrium ... these can hint at pathology ... In this case, the ... #POCUS #CardiacUS
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
and Differential Diagnosis ... - Congenital (e.g ... Vasodilation Lung ... #Differential #Diagnosis ... #cardiology #causes