Day 2 Flashcards
What are the categories of infectious diseases?
Bacterial, viral, fungal, parasitic
What is difference btw infectious and non infectious disease?
non infectious isn’t contagious or transmitted by microorganism
How are pathogens transmitted?
air, water, food, body fluids, touch, vector
How do bacteria make us sick?
produce poisons that cause cell death
How do viruses make us sick?
use cells to reproduce and then cause cell death
How do fungi make us sick?
grow and produce toxins
How do parasites make us sick?
live and grow in our body destroying tissues
Define diagnosis.
The designation as to the nature or cause of a health problem
Define differential diagnosis.
Weighing competing possibilities and selecting the most likely one but listing in order of likelihood
Define working diagnosis.
Based on info from history, physical exam, and diagnostic testing
Describe characteristics of primary headaches.
Most common, tension, migraine, cluster
Describe characteristics of secondary headaches.
based on etiology, not symptoms. whiplash, medication overuse, birth control changes, sinus symptoms, TMJ pain
What should you ask of all patients with chief complaint of headache?
Is this the worst headache of your life?
What does neck stiffness suggest on examination?
meningitis
What does papilledema suggest on examination?
presence of intracranial mass lesion, benign intracranial hypertension, encephalitis, meningitis
What do focal neurologic signs suggest on examination?
intracranial mass lesion
What is an important differential diagnosis of fever in children?
UTIs
What are the differential diagnoses of cough?
respiratory tract infections, reactive airway disease, gastroesophageal reflux, air pollution, foreign body, ACE inhibitor, psychogenic cough, post nasal drip