10 results
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... Toxic: Alcohol, Medication ... , Recreational drugs ... Traumatic brain injury ... #neurology
Causes of Acute Pericarditis:

Infectious;

Viral: 
Adenovirus 
Coxsackie virus A and B 
Echovirus 
Epstein-Barr virus 
Hepatitis 
Human immunodeficiency
Causes of Acute ... Breast Leukemia Lung ... - related Medication ... induced (select drugs ... Rheumatic fever #Causes
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
It is a clear sign ... the pupillary reflex ... regarding the cause ... afferent pathway injury ... #Clinical #Video
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Pathophysiology: • Severe injury ... Awareness • Injury ... Anisocoria + Coma → high ... • Examine for signs ... Casey Albin MD @
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Trauma/Crush injury ... reactions Common Drugs ... Medications 2. ... differential #diagnosis #causes ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Trauma/Crush injury ... reactions Common Drugs ... Medications 2. ... differential #diagnosis #causes ... #nephrology
Lazarus Reflex on Physical Exam

The Lazarus sign is a reflex movement observed in brain-dead or brainstem
The Lazarus sign ... Long-term survival ... reported in some cases ... PhysicalExam #clinical #video ... #neurology #criticalcare
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
• Symptoms and signs ... below the site of injury ... Non-compressive Spinal Cord Causes ... Vascular/Blockage ... dysfunction • Abnormal reflexes
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
papules and Gottron sign ... ) • Shawl sign ... weakness • Very high ... statins - probably caused ... muscle disease/muscular
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... structural and vascular ... Most commonly caused ... wall following high ... Radiology #CTChest #Lung