23 results
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... papilledema • Horner syndrome ... • Neurological deficits ... • Meningeal signs ... Systemic symptoms and signs
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
scapularis • Infects ... within morulae Signs ... bite • Fever, headache ... myalgias, shaking chills ... ), cough (30% cases
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... vasoconstriction syndrome ... vasoconstriction syndrome ... #signs #symptoms ... #clues #differential
Kussmaul's Sign - Differential Diagnosis

Typically the JVP decreases with inspiration as the negative intrathoracic pressure "sucks
Kussmaul's Sign ... Kussmaul's sign ... Kussmaul's sign ... physicalexam #diagnosis #cardiology ... causes
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
CNS symptoms (headache ... that can confirm Behcet ... disease) Differential ... azathioprine #Behcet ... #management #signs
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... hyperthermia crisis (late sign ... • Serotonin syndrome ... #Hyperthermia #Differential ... Checklist #Diagnosis #Management
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
carotid sinus syndrome ... syncope (ruling out differential ... further guide management ... orthostatic vital sign ... depends on the cause
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... (Wallenberg's syndrome ... Syndrome usually ... varying neurologic signs ... #differential #
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Paraneoplastic effects ... life-threatening Differential ... test - Cogan sign ... - Peek sign ... Gravis #diagnosis #management
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... Pneumonia: • 3 syndromes ... • CT: Halo sign ... of a "flu-like syndrome ... factor • May cause