Pathophysiology Flashcards
CAD Etiology
Narrowing of the coronary arteries limits blood supply to the heart muscle causing angina (CP specifically due to heart muscle ischemia)
CAD Catch Prase
CP WITH PHYSICAL EXERTION
CAD Chief Complaint
CP or Chest pressure
- Worse with exertion
- Improved by rest or NTG
CAD Assoc. Med
ASA 324 mg PO, NTG 0.4 mg SL
CAD Dx by
Cardiac Catheterization (not diagnosed in ED)
CAD Scribe Alert
1) CAD greatest risk factor for MI
2) Stress test/Cardiac Catheterization to see severity
3) CAD if PMHx of Angina, MI, CABG, cardiac stents, or angioplasty
4) ASA 324mg PO ASAP unless given PTA or contraindicated due to bleeding or allergy
MI Etiology
Acute blockage of the coronary arteries results in ischemia and infarct of the heart muscle
MI Catch Phrase
Chest pressure WITH DIAPHORESIS, N/V, SOB
MI Risk Factor
CAD, HTN, HLD, DM, Smoker, FHx of CAD
MI Chief Complaint
CP or Chest Pressure
MI Dx By
EKG (STEMI) or elevated Troponin (non-STEMI) reg =.05
MI Assoc. Med
ASA, NTG, B-Blocker, Thrombolytic (heparin)
CHF Etiology
The heart becomes enlarged, inefficient, and congested with excess fluid.
CHF Catch Phrase
SOB with PEDAL EDEMA and ORTHOPNEA
CHF Chief Complaint
SOB - ORTHOPNEA (worse lying flat)
- PND (paroxysmal nocturnal dyspnea)
- DOE (dyspnea on exertion)
CHF PE
Rales in lungs
JUV in neck
Pitting pedal edema
CHF Assoc. Med
Diuretics (Lasix, Furosemide) to inc. urination
CHF Dx By
CXR or ELEVATED BNP (B-type Natriuretic peptite)
CHF Scribe Alert
Fluid traffic jam in the heart
AFIB Etiology
Electrical abnormalities in the ‘wiring’ of the heart causes the top of the atria to quiver abnormally
AFIB Chief Complaint
Palpitations (fast, pounding, irregular)
AFIB Risk Factors
Paroxysmal A fib (ocassionally)
Chronic A fib (more frequently)
AFIB PE
IRREGULARLY IRREGULAR RHYTHM, Tachycardia
AFIB Dx By
EKG (ECG)
AFIB Assoc. Med
Coumadin (Warfarin): Blood thinner
Digoxin: slow HR
AFIB Scribe Alert
ED concern of RVR (rapid ventricular response)
Pt ‘cardioverted’ (put back into NSR)
Pericarditis
Inflammation of the sac surrounding the heart causing CP
Pleurisy
Inflammation of the sac surriounding the lungs is causing pleuritic CP
Costochondritis
Irritations of the ribs causing CP worsened by pressing on the sternum
Chest Wall Pain
Irritation of the chest wall causing pain with palpation of the chest
Pleural Effusion
Fluid collecting around the lungs causing SOB or CP
PE Etiology
A blood clot becomes lodged in the pulmonary artery and blocks blood flow to the lungs
PE Catch Phrase
PLEURITIC CHEST PAIN with tachycardia and hypoxia
PE Risk Factor
Known DVT or PE, FHx, Recent surgery, Cancer, AFIB, Immobility, Pregnancy, BCP, Smoking
PE Chief Complaint
SOB or Pleuritic chest pain (CP worse w/ deep breath)
PE Dx By
CTA (CT chest w/ IV contrast) or VQ scan (preg or kidney issues)
D-dimer: (-) No PE for sure (+) might have clot
PNA Etiology
Infiltrate (bacterial infection) and inflammation inside the lung
PNA Catch Phrase
Productive cough w/ fever
PNA Chief Complaint
SOB or PRODUCTIVE COUGH
PNA Assoc. Sx
Cough w/ sputum, fever, chest pain
PNA PE
Rhonchi
PNA Dx By
CXR
PNA Scribe Alert
CAP: Community aquired PNA
Req documenting Abx, Vital signs, Sa02, Mental status, and blood cultures.
PTX Etiology
Collapsed lung due to trauma or a spontaneous small rupture of the lung
PTX Chief Complaint
SOB and ONE-SIDED chest pain
-sudden onset, often trauma pt (gradual)
PTX PE
Absent breath sounds unilaterally
PTX Dx By
CXR
PTX Scribe Alert
Document % of lung collapsed. Pt will have a chest tube to reinflate the lungs
COPD Etiology
Long-term damage to the lung’s alveoli (emphysema) along with inflammation and mucous production (chronic bronchitis)
COPD Risk Factors
Smoking
COPD Chief Complaint
SOB
COPD PE
Decreased breath sounds, wheezes, rales
COPD Assoc. Meds
Home 02 (how much and type for baseline)
COPD Dx By
CXR and Hx of smoking
RAD Etiology
COnstricting of the airway due to inflammation and muscular contraction of the bronchioles, know as a ‘bronchospasm’
RAD Chief Complaint
SOB/Wheezing
-Improved by nebulizer ‘breathing treatments’ (bronchodilators)
RAD PE
Wheezes (inspiratory/expiratory, L or R)
RAD Assoc. Meds
Inhalers, Nebulizers, Corticosteroids
RAD Dx By
Clinically
RAD Scribe Alert
1) Home nebulizer? 2) Recent steroids? 3) Hx of hospitalization for asthma 4) Hx of intubation 5) Asthma triggers
CVA Etiology
Blockage of the arteries supplying blood to the brain resulting in permanent brain damage
CVA Chief Complaint
UNILATERAL focal neurological deficits: numbness/weakness or changes in speech/vision
CVA Risk Factors
HTN, HLD, DM, Hx TIA/CVA, Smoking, FHx, CVA, AFIB
CVA PE
Nerological deficits: hemiparesis, unilateral parethesias, aphasia, visual field deficits
CVA Dx By
Clinically, Potentially normal CT Head
CVA Scribe Alert
Date and time they were “last known well” (at baseline) and source of info (assesses eligibility for tPA)
- not used if >3 hrs or unknown onset or Sx rapidly improving
Hemorrhagic CVA Etiology
Traumatic or spontaneous rupture of blood vessels in the head leads to bleeding in the brain
Hemorrhagic CVA Chief Complaint
HA, sudden onset?
Hemorrhagic CVA Assoc. Sx
Changes in speech, vision, numbness, weakness, AMS, seizure, HA
Hemorrhagic CVA PE
Unilateral neurological deficits
Hemorrhagic Dx By
CT Head or LP
Hemmorhagic Scribe Alert
Document “tPA not indicated due to hemorrhage”
TIA Etiology
Vascular changes temporarily deprive a part of the brain of oxygen (Sx usually last lest than 1 hr)
TIA Chief Complaint
Transient focal neurological deficit
-Changes in speech,vision,strength, or sensation
TIA Dx By
Clinically
TIA Scribe Alert
Document tPA considered and not indicated due to the fact that symptoms are resolved.
Meningitis Etiology
Inflammation and infection of the meninges; the sac surrounding the brain and spinal chord
Meningitis Chief Complaint
HA and neck pain
Meningitis Assoc. Sx
Fever, NECK PAIN, NECK STIFFNESS, and AMS
Meningitis PE
Meningismus (neck stiffness), nuchal rigidity
Meningitis Dx By
LP
Spinal Cord Injury Etiology
Injury to the spinal cord may create weakness or numbness in the extremities past the site of the injury.
Spinal Cord Injury Chief Complaint
Neck pain or back pain, bilateral extremity weakness
Spinal Cord Injury PE
MIDLINE BONY TENDERNESS, deformities, step-offs, bilateral extremity weakness, numbness, decreased rectal tone
Spinal Cord Injury Dx By
CT Cervical/thoracic/lumbar
Spinal Cord Injury Scribe Alert
Pt often immobilized in C-collar
SZ Etiology
Abnormal electrical activity in the brain leading to abnormal physical manifestations. Often caused by epilepsy, EtOH withdrawls, or febrile seizure in pediatric pts
SZ Chief Complaint
Seizure activity, Syncope
SZ Assoc. Sx
Injuries (tongue bite), Confusion, Headache, Incontinence
SZ PE
Somnolent, Confused (Post-Ictal)
SZ Medications
Dilantin, Tegretol, Keppra, Depakote, Neurontin
SZ Scribe Alert
1) Similar SZ before? 2) Hx of SZ? 3) Date of last SZ 4) What SZ med? 5) Missed med dose?
Bells Palsy Etiology
Inflammation or viral infection of the facial nerve causes one-sided weakness of the entire face
Bells Palsy Chief Complaint
Facial Droop; sudden onset
Bells Palsy Assoc. Sx
Jaw or ear pain, increased tear flow of one eye
Bells Palsy Pert. Neg
NO EXTREMITY WEAKNESS, NO CHANGES IN SPEECH/VISION
Bells Palsy PE
Unilateral weakness of the upper and lower face
Bells Palsy Dx By
Clinially
Bells Palsy Scribe Alert
Most common cause of facial droop in young pt who do not have CVA risk factors. Document absence of other FND
HA Etiology
Various causes including hypertensive headaches (from high blood presure), recurrent diagnosed migranes, sinusitits, etc.
HA Chief Complaint
HA gradual onset - pressure, throbbing
HA Pertinent Neg.
NO FEVER, NO NECK STIFFNESS, NO NUMBNESS/WEAKNESS, NO CHANGES IN SPEECH/VISION
HA Scribe Alert
Not if similar/dissimilar to prior HA
NEVER DOCUMENT ‘WORST OF MY LIFE’ UNLESS SPECIFICALLY INSTRUCTED
AMS Etiology
Multiple causes: most common are hypoglycemia, infection, intoxication, and neurological
AMS Risk Factors
Diabetic, elderly, demented, EtOH use, Drug use
AMS Chief Complaint
Confusion, decreased responsiveness, unresponsive
AMS Dx By
Case dependent
AMS Scribe Alert
Generalized, caused by things that affect the whole brain (drugs, low blood sugar). For pt w/o a Hx of dementia is from infection (freq. UTI)
Syncope Etiology
Temporary loss of blood supply to the brain resulting in LOC. Common causes of vasovagal and low blood volume (dehydration/hypovolemia), occasionally due to cardiac/neurologic causes.
Syncope Chief Complaint
Passing out vs about to pass out