15 results
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
When the specific allergen ... or IgM - Cell-bound ... blood types or during ... Classification #Pathophysiology ... #Allergy #Diagnosis
Boxer's Fracture - ED Management
Be sure to assess for wounds in patients with fractures of the
to assess for wounds ... clarify if these wounds ... • Mechanism: Closed ... reduce if needed (using ... Radiology #XRay #Diagnosis
Illustrations showing elements of a shoulder assessment. Also included on a shoulder assessment would be determination
shoulder assessment would ... tendon tenderness (using ... #Diagnosis #PhysicalExam
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
- Differential Diagnosis ... variable respiratory sound ... Foreign body Allergic ... #differential #diagnosis ... pulmonary #airway #physicalexam
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... • Na+ channels close ... Transient K+ efflux moving ... Ca2+ channels close ... Classification #Classes #pathophysiology
Peripheral Edema - Differential Diagnosis Framework for Lower Extremity Edema

Edema occurs when any of the following
- Differential Diagnosis ... Non-pitting) • Allergic ... #differential #diagnosis ... Lower #Extremity #PhysicalExam ... #Pathophysiology
Lung Findings on Physical Exam
Crackles:
 • Short, discontinuous, sounds mostly heard during inspiration
 • Caused by
sounds mostly heard during ... sounds heard mostly during ... High-pitched wheezing sound ... Findings #Pulmonary #PhysicalExam ... #diagnosis #signs
Mains Electricity Failure - Guidelines for Crises in Anaesthesia
Unexpected total power failure is rare and unpredictable.
• Consider moving ... is stable and wound ... is closed (may ... Intraoperative #Checklist #Diagnosis
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... contracts against a closed ... are enough to diagnose ... Awaves #AVNRT #PhysicalExam
Giant A waves caused by pulmonary HTN. There are two clearly discernible descents (X and Y)
more prominent during ... dyspnea and is found ... the underlying diagnosis ... PHTN #JVP #Neck #PhysicalExam