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Mediastinal masses are discussed in more detail in Mediastinal masses.
Here is just a brief overview. #Diagnosis
is just a brief overview ... #Diagnosis #Radiology ... Mediastinal #Mass #Differential ... #Table #Anterior ... #Middle #Posterior
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
in avL - early inferior ... depression in VI-V2 - posterior ... #ECG #EKG #diagnosis ... electrocardiogram #cardiology ... Interpretation #differential
ECG of a 55-year-old man who presented to the ER with chest pain 
Computer interpretation: “Nonspecific
Hyperacute Inferior ... STD in V2 (posterior ... InferoPosterior transmural ischemia ... #Clinical #Cardiology ... #EKG #STEMI #InferoPosterior
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
elevation in aVR • Posterior ... deviation) • Acute ischemia ... #EKG #diagnosis ... #differential # ... cardiology #electrocardiogram
Mechanical Complications in Acute Myocardial Infarction
Acute LV/RV Dysfunction:
 • Regional wall motion, systolic and diastolic function,
Muscle Rupture and Ischemic ... MR: • Posterior ... afterload • Severe ischemic ... Infarction #acuteMI #cardiology ... #differential #
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
and Hypoxemia - Overview ... hypoxia) - Low PaO2 ISCHEMIC ... stagnant hypoxia (e.g ... summary #pulmonary #differential ... diagnosis #causes #pathophysiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
artery (LMCA). left anterior ... predictor of recurrent ischemic ... aVR • Classic EKG ... #differential # ... cardiology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Syndrome (PRES) Overview ... Etiology: • Pathophysiology ... on MRA/CTA • Anterior ... Reversible course Differential ... • EEG: With persistent
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Pulmonary Edema - Differential ... Framework NCPE Pathophysiology ... level <100 pg/ml EKG ... • Negative for ischemic ... #diagnosis #cardiology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Endocarditis - Overview ... and Differential ... Early embolic/ischemic ... ↑ ESR, CRP • EKG ... #Diagnosis #cardiology