Differentials Flashcards
(179 cards)
Abdominal/Pelvic Mass
Adult:
1. Tumor (cholangiocarcinoma, pancreatic adenocarcinoma, fallopian tube tumor, etc)
2. Gallstones
3. Hepatitis
4. Infections
5. AAA
Child:
1. Intussusception
2. Kidney (50% are renal in origin)
3. Fecal impaction
4. Hepatomegaly/splenomegaly
5. Tumor (Wilm’s, renal cell carcinoma)*
Abdominal Distention
Adult:
1. Infection (H. pylori, toxic megacolon)
2. Bowel obstruction
3. Ascites (cirrhosis)
4. Ectopic pregnancy
5. Irritable bowel syndrome
6. Misplaced endotracheal tube
Child:
1. Trauma
2. Allergic/dietary
3. Neoplastic mass
4. Volvulus*
5. Bowel obstruction
Abdominal Pain
Adults:
1. Tumor/neoplasm
2. Hernia
3. Infection
4. Pancreatitis
5. Gall stones
Children:
1. Tumor
2. Trauma/abuse
3. Dietary (colic)
4. Appendicitis
5. Gastroenteritis
Abnormal Heart Sounds & Murmurs
Aortic
Pulmonic
Mitral
Tricuspid
S1
S2
S3
S4
Splitting
S3 Differential
- Volume overload in the ventricle
- Best hear in left lateral decubitus
- Normal under age 40
- Normal in third trimester
- Mitral regurgitation
- Tricuspid regurgitation
- Congestive heart failure
S4 Differential
- Represents rapid active ventricular filling
- Normal in athletes and elderly
- Stiff left ventricle
a. HTN
b. Coronary artery disease
c. Aortic stenosis
d. Cardiomyopathy
e. Ventricular hypertrophy
Abnormal Liver Function Tests
AST: multiple sources (esp muscle)
ALT: more specific to liver
Adult:
1. Cirrhosis
2. Hepatitis
3. Infectious
4. Gallstones
5. Pregnancy
Children:
1. Medication
2. Virus
3. Celiac
4. Non alcoholic fatty liver disease
5. Immune (primary sclerosing cholangitis, autoimmune hepatitis, etc)
Abnormal Serum Lipids
Adults:
1. Hypercholesterolemia
2. Obesity
3. Drugs (steroids, estrogen)
4. Diabetes
5. Alcohol
Children:
1. Familial hypercholesterolemia
2. Medications
3. Nephrotic syndrome*
4. Diabetes
5. Obesity
Acid Base Abnormality
Adult:
1. Diabetic ketoacidosis
2. Kidney injury
3. Vomiting
4. Drugs
5. Hypoventilation
Child:
1. Renal disorder
2. Pneumonia
3. Drugs
4. Diarrhea
5. Vomiting
Allergic Reactions
- Drugs
- Food allergens
- Insect bites
- Physical stress
- Dust/pollen
Anxiety
- Generalized anxiety disorder
- Panic disorder
- Medication induced
- Separation anxiety
- Social anxiety
Ataxia
Adult:
1. Neuromuscular disorder (MS)
2. Alcohol induced
3. Stroke
4. Tumor
5. Degenerative (Parkinson’s)
Child:
1. Tumor
2. Developmental delay
3. Medication
4. Traumatic bleed
5. Hereditary
Upper Gastrointestinal Bleed
Adult:
1. Vomiting (Mallory Weiss tear)
2. Infection
3. Ulcer
4. Cancer
5. Varices
Child:
1. Gastritis
2. Stress ulcer
3. MW tear
4. Esophagitis
5. Varices
Lower Gastrointestinal Bleed
Adult:
1. Anorectal disease
2. Diverticulosis
3. Colorectal cancer
4. Rectal trauma
5. Enterocolitis*
Child:
1. Infection (bacteria, parasite)
2. C dif.
3. Hirschsprung disease*
4. Allergy
5. Anal fissure
Hypertension
Adult:
1. Anxiety
2. Diet
3. Catecholamines
4. Renal disorder
5. Vascular disorder (heart attack, etc)
Child:
1. Pheochromocytoma
2. Renal artery stenosis
3. Coarctation of aorta
4. Anxiety
5. Congenital renal disease
Hypotension
Adult:
1. Hemorrhage
2. Heart failure/myopathy/ischemia
3. Pneumothorax
4. Aortic dissection
5. Substance abuse
Child:
1. Hemorrhage
2. Anaphylaxis
3. Drugs
4. Addison’s
5. Sepsis
Blood in Sputum (Hemoptysis)
Adult:
1. Alcohol (Mallory Weiss)
2. Infection
3. Inflammatory
4 Pulmonary embolism
5. Neoplasm
Child:
1. Infection (bacteria, viral)
2. Foreign body
3. Neoplasm
4. Bleeding disorder
5. AV malformation
Blood in Urine (Hematuria)
Adult:
1. Kidney stones
2. Neoplasm
3. STI
4. Autoimmune (SLE)
5. Medications/food
Child:
1. Food
2. Abuse
3. Renal tumor or stone
4. Coagulopathy*
5. Renal vein thrombosis
Breast Discharge
Adult:
1. Prolactinoma
2. Breast cancer
3. PCOS
4. Medication
5. Pituitary tumors
Breast Mass
Adult:
1. Breast cancer
2. Medication
3. Benign mass
4. Infection
5. Lactation
Burns
- Assess severity and degree
- Treatment modalities and wound care
- Critical lab values
- Pain control
- Psychosocial effects
Calcium Disorder
Adult:
1. Autoimmune
2. Malignancy
3. Thyroid disorder
4. Parathyroid disorder
5. Vitamin D
Child:
1. Malabsorption
2. Malignancy
3. Vitamin D
4. Medications
5. Kidney disorder
Cardiac Arrest
- Conduction abnormality
- Coronary artery disease
- Myocardial infarction
- Trauma
- Pulmonary embolism
Cerebrovascular Accident and Transient Ischemic Attack (stroke)
Ischemia vs hemorrhagic
Adult:
1. Uncontrolled hypertension
2. Trauma
3. Medication
4. Seizure
5. Atrial fibrillation
Child:
1. Seizure
2. Meningitis
3. Trauma
4. Tumor
5. Embolism