9 results
Hoffman's sign. Even in this specific case, accompanied by a clonus outline (rhythmic contractions). The median
Hoffman's sign. ... this specific case ... acts both as an afferent ... Abnormal #clinical #video ... #neurology #PhysicalExam
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 ... pathway injury. ... #Clinical #Video
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Common causes of ... Acute Kidney Injury ... depletion • Afferent ... syndrome) • Vascular ... Differential #Diagnosis #nephrology
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
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
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
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... minor, can be an indication ... structural and vascular ... Most commonly caused ... wall following high