419 results
HINTS Exam - Unidirectional Nystagmus - Left-beating

In a patient with vertigo symptoms, this finding is reassuring
patient with vertigo symptoms ... for a PERIPHERAL cause ... Video by Dr. ... PhysicalExam #Clinical #Video ... #Negative #Neurology
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
vs Noninfective Causes ... HACEK • Culture-negative ... epidermidis • Gram-negative ... #Noninfective #Causes ... #Differential #Diagnosis
Schizophrenia: Pathogenesis and Symptoms
Increased dopaminergic transmission in mesolimbic projection
-> Dopaminergic neurons here project into the limbic
is thought to cause ... is thought to cause ... Negative Symptoms ... pathophysiology #diagnosis ... psychiatry #positive #negative
Budd Chiari Syndrome
Hepatic vein obstruction. Can be caused by thrombosis or sometimes a tumour. Can lead
Can be caused by ... BuddChiari #Syndrome #Diagnosis ... #Causes #Signs ... #Symptoms
Schizophrenia spectrum disorders
Schizoaffective disorder 
•	is Schizophreniform/Schizophrenia plus Manic or depressive symptoms. 
•	Key is the finding of
or depressive symptoms ... weeks needed for diagnosis ... needed for diagnosis ... distinguish between the negative ... distinguish between the negative
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
paresthetica • Symptoms ... 3-6 months of symptom ... sensory • Before diagnosis ... Stabbing) - Negative ... #differential #diagnosis
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Dissociation Causes ... of Relative Bradycardia ... #Dissociation #relative ... #differential #diagnosis ... #causes
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 ... Neurology #Signs #Symptoms ... #Diagnosis
HACEK is the acronym commonly used to describe and help doctors to remember a group of
fastidious Gram-negative ... which can also cause ... endocarditis is caused ... endocarditis is caused ... #Diagnosis #InfectiousDiseases
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
100%, then all negative ... proportion of negative ... that are true negatives ... but not on the causal ... #calculations #diagnosis