55 results
Tetralogy of Fallot 

1. Right ventricular outflow tract obstruction 

2. Right ventricular hypertrophy 

3. Ventricular septal
Ventricular septal defect ... #Fallot #Peds #Pediatrics ... #Cardiology #Signs ... #Symptoms #Diagnosis
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
• Neurological deficits ... • Meningeal signs ... ) • Systemic symptoms ... and signs (e.g. ... Diagnosis #Algorithm #neurology
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
many different causes ... the commonest cause ... variety known as ... #Bells #Palsy #Neurology ... #Signs #Symptoms
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
scapularis • Infects ... within morulae Signs ... and symptoms: ... bite • Fever, headache ... ), cough (30% cases
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
Examination: • UMN signs ... Clonus, Babinski’s sign ... • Lhermitte’s sign ... SIGNS/SYMPTOMS ... Signs and symptoms
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
Signs and Symptoms ... stroke • Severe nausea ... and coordination deficits ... Extraocular movement deficits ... #signs #symptoms
Pericarditis can be seen on EKG with diffuse ST elevations without reciprocal changes along with diffuse
often follows a URI ... in refractory cases ... #Pericarditis #Cardiology ... #Diagnosis #Signs ... #Symptoms
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... without an obvious cause ... with significant neurologic ... signs or symptoms ... Central #Vertigo #Causes
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... lumbar spine Signs ... • As soon as ... suspected, immediate MRI ... #signs
Headaches Overview - Primary vs Secondary Headaches

What’s the Core Difference?
 • Primary headache = headache is
symptom of something ... the mnemonic "Mi-T-C ... C" (common for causes ... N Neurological signs ... confusion, focal signs