43 results
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
abberancy - N B Afib ... DANGER (4) Vfib ... Irregular (1) A fib ... bradyarrhythmia #ECG ... #EKG #diagnosis
CENTRAL FACIAL / NASAL LESIONS
Bacteria:
 • Leprosy (saddle nose deformity)
 • Tuberculosis (lupus vulgaris)l
 • Endemic
NASAL LESIONS ... (e.g. ... Trigeminal trophic syndrome ... #Central #Lesions ... infectiousdiseases #differential
Causes of Secondary Amenorrhea - Differential Diagnosis Algorithm
Absence of menses for more than 3 cycles or
<35 years old, e.g ... • Functional (e.g ... (e.g. lymphoma, ... Stalk Damage (e.g ... Radiation • Infection
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
common cause) • Infection ... (e.g. encephalitis ... ) • Brain lesions ... (e.g. stroke, tumor ... diagnosis #neurology #differential
Toaster Electrocution Electrical Injury
Primary determination of injury extent = amount of CURRENT flowing through body.
VARIABLES: voltage,
CARDIAC: asytole or Vfib ... most common is Afib ... EKG, labs, cardiac ... patients with normal ECG ... severe burns, ECG
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner syndrome ... symptoms and signs (e.g ... Space-occupying brain lesion ... • CNS infection ... (e.g., meningitis
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
• Enteroviral infections ... skull neoplasms (e.g ... LHON) plus MRI lesions ... and clinical consistent ... noninflammatory #differential
Problem Representation - Approach to the Infectious Disease Patient

Who: Patient age and host/risk factors (such as
Approach to the Infectious ... that define the clinical ... syndrome - Does ... illness script (e.g ... brain and lung lesions
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
- Spinal Cord Syndromes ... Infarction - Infection ... (e.g., poliovirus ... Brown-Séquard Syndrome ... #lesions #differential
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... • Acute stroke syndromes ... Space occupying lesions ... electromyographic (EMG ... #Weakness #Differential