15 results
Differential Diagnosis for Vision Loss
Unilateral, Painful Vision Loss:
 • Corneal abrasion, Acute angle-closure glaucoma, Inflammation-iritis, uveitis,
Differential Diagnosis ... Retro-orbital hematoma ... occlusion, Lens dislocation ... painful #painless #differential ... #diagnosis #causes
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
Underlying causes ... acute, massive MI ... #arrest #HsTs #Differential ... #Diagnosis #Table
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... Doppler ultrasound; MRA ... CT or MRI scan of ... #Hypertension #Differential ... Screening #Workup #table
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - Differential ... contractility) - Acute MI ... exacerbation (any cause ... DrEricStrong #Shock #Differential ... Classification #Table
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
1.5%) : tumors, hematoma ... MRI, iADL scale, ... Alzheimer - 1st cause ... Dementia - 2nd cause ... MNCD #Dementia #Differential
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
Case description ... HAGL) can be a cause ... anterior shoulder dislocation ... Differential diagnosis ... shoulder #clinical #mri
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
glenohumeral joint dislocation ... Case description ... of anterior GH dislocations ... surgical repair Differential ... lesion #clinical #mri
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... failure, acute MI ... findings based on cause ... uw_IMresidency #Shock #Differential ... #Diagnosis #table
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... sequestration • epidural hematoma ... constipation Differential ... Imaging studies: • MRI ... #diagnosis #causes
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... it difficult to differentiate ... life-threatening causes ... pain, such as MI ... Presentation #comparison #Table