32 results
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
Underlying causes ... Toxins, Tamponade, Tension ... acute, massive MI ... #arrest #HsTs #Differential ... #Diagnosis #Table
Hypermagnesemia - Etiologies by Mechanism
Renal Failure 
Excessive Mg Administration 
 - Massive PO intake
- Tumor lysis syndrome ... Hypermagnesemia #Differential ... High #Magnesium #Table ... #Causes #Management
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... Case description ... hallucis longus Differential ... #clinical #mri ... #clinical #Radiology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... • Extrinsic Causes ... - Hematoma - Stab ... • Intrinsic Causes ... #lesions #differential
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... CT or MRI scan of ... • Cushing’s syndrome ... #Hypertension #Differential ... Screening #Workup #table
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - Differential ... contractility) - Acute MI ... exacerbation (any cause ... tamponade - Tension ... Classification #Table
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... failure, acute MI ... findings based on cause ... anaphylaxis, release syndrome ... #Diagnosis #table
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
Non-inflammatory Causes ... Non-inflammatory causes ... neuropathy (LHON) plus MRI ... lesions and clinical ... noninflammatory #differential
Cortical Desmoid - MSK Radiology
Imaging Findings:
 • Circumscribed, small cortically based Tl -hypointense and T 2-hyperintense
Case description ... Differential diagnosis ... MR is able to distinguish ... Cortical #Desmoid #clinical ... #mri #clinical
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup and Differential ... with previously stable ... Stage 2 hypertension ... 109 mm Hg) with clinical ... #Differential #