Aquifer - DDx Flashcards
(47 cards)
DDx - RUQ Mass + Pallor
(9-month-old infant)
6
- Hepatic neoplasm
- Hydronephrosis
- Neuroblastoma
- Teratoma
- Wilms’ tumor (nephroblastoma)
- Constipation
DDx - Abdominal Pain + Vomiting
(Adolescent female)
10
- Appendicitis
- Cholecystitis
- Pregnancy
- Hepatitis
- Pancreatitis
- PID
- UTI
- Acute gastroenteritis
- Mesenteric adenitis
- Ovarian torsion
DDx - Abdominal Pain + Bloody Stools
(school-aged)
6
- IBD
- Celiac disease
- Bacterial gastroenteritis
- Giardiasis
- Peptic Ulcer Disease
- HSP
DDx - Apnea (CNS)
(infants)
3
- Seizures (due to CNS bleeding, infection, structural abnormalities, metabolic disorders, electrolyte abnormalities, genetic syndromes, epilepsy)
- Breath-hold spells
- Increased ICP (bleed, trauma, tumor, infection) affecting the respiratory center
DDx - Apnea (Cardiac)
(infants)
2
- Bradycardia secondary to congenital heart block or long QT syndrome
- Congenital heart disease (particularly ductal-dependent lesions), unrepaired Tetralogy of Fallot may have acute episodes of cyanosis associated with a drop in pulmonary blood flow
DDx - Apnea (Pulmonary)
(infants)
3
- RSV (most common respiratory cause)
- Pertussis
- Other lower respiratory infections
DDx - Apnea (GI)
(infants)
3
- GER has been blamed, but a true correlation has not been proven - some experts think that apnea occurs first, leading to hypoxia, relaxation of the LES, and reflux; others believe reflux may cause choking, gagging, color changes, and laryngospasm
- Swallowing abnormalities
- TE fistula (chronic history of coughing or difficulty with feeds)
DDx - Apnea (Systemic)
(infants)
5
- Systemic sepsis (apnea, pallor, tachycardia, tachypnea, fever, hypothermia, decreased feeding, change in tone)
- Inborn errors of metabolism
- Ingestions of medications and other toxins (respiratory depression, cardiac arrhythmias, seizures)
- Exposure to botulinum toxin (soil or honey -> hypotonia, constipation, paralysis, respiratory failure)
- Environmental exposure (CO -> mental status changes, hypoxia, respiratory distress)
DDx - School Failure
(school-aged)
5
- Sensory impairment
- Sleep disorder
- Mood disorder
- Learning disability
- Conduct disorder
DDx - Chest Pain
(children and adolescents)
5
- Cardiac cause (HCM, etc.)
- Precordial catch syndrome
- Costochondritis
- GI causes (GERD, gastritis, esophagitis)
- Asthma or exercise-induced bronchospasm
DDx - Microcytic Anemia
5
- Iron deficiency
- Thalassemia
- Sideroblastic
- Chronic inflammation/disease*
- Lead poisoning*
* Can be normocytic
DDx - Normocytic Anemia
7
- Acute blood loss
- Immune hemolytic anemia
- Hereditary spherocytosis
- G6PD deficiency
- Sickle cell anemia
- Renal disease
- Transient erythroblastopenia of childhood (TEC)
DDx - Macrocytic Anemia
6
- Folate deficiency
- B12 deficiency
- Hypothyroidism
- Neoplasms
- Bone marrow failure syndromes (aplastic anemia, Diamond-Blackfan anemia, and congenital dyserythropoietic anemia)
- Liver disease/failure*
* Can be normocytic
DDx - Anemia due to Decreased Production
12
- Iron, folate, or B12 deficiency
- Lead toxicity
- Thalassemia
- Aplastic anemia
- Chronic inflammation
- Neoplasms
- TEC
- DBA
- Renal disease
- Hypothyroidism
- CDEA?
- Sideroblastic anemia
DDx - Anemia due to Increased Destruction
10
1. Immune hemolytic disease 2/ Hereditary spherocytosis 3. G6PD deficiency 4. Sickle cell disease 5. Thalassemia 6. DIC 7. Mechanical heart valves 8. Burns 9. Paroxysmal nocturanl hemoglobinuria (PNH) 10. Hypersplenism
DDx - Anemia due to Blood Loss
5
- Acute hemorrhage
- Dysfunctional uterine bleeding (heavy/prolonged menses)
- Pulmonary hemosiderosis (hemorrhage)
- Goodpasture’s disease
- GI blood loss (PUD, other GI conditions)
DDx - Unresponsiveness
(children)
7
- Toxic ingestion
- Seizures
- Syncope
- Closed Head Injury
- Infection
Less common:
Intracranial process, intusussception
DDx - Seizure
(age?)
8
- CNS infection (meningitis/encephalitis)
- Febrile seizure
- Head injury/post-traumatic seizure
- Ingestion/poisoning
- Idiopathic seizure/epilepsy
- Hypoglycemia
- Brain tumor
- Breath-holding spell
DDx - Acquired Ataxia
(age?)
10
- Post-infectious cerebellitis (aka acute cerebellar ataxia)
- Infectious cerebellitis
- Medication or toxin
- Intracranial mass
- Opsoclonus-myoclonus syndrome
- Migraine headache
- Hydrocephalus
- Metabolic disease (MSUD, pyruvate decarboxylase deficiency, etc.)
- Neurodegenerative disease (ataxia-telangeictasis and Friedreich ataxia)
- Psychiatric illness (conversion disorder)
DDx - Fever and Petechiae
(Adolescent)
4
- Meningococcal sepsis
- Toxic shock syndrome
- Rocky Mountain Spotted Fever
- Bacterial endocarditis
DDx - Acute Onset Altered Mental Status
(2-year-old)
4
- Infection (sepsis, meningitis, encephalitis)
- Toxic ingestion
- Trauma
- Seizure
- Electrolyte/glucose abnormalities
DDx - Altered Mental Status
(general)
9 (AIEOU TIPS)
- Alcohol, ingested toxins
- Epilepsy, encephalitis, endocrine, electrolyte
- Infection (meningitis/sepsis)
- Overdose, opiates, oxygen deprived
- Uremia (renal failure)
- Trauma, temperature
- Insulin
- Psychosis
- Stroke, shock, space occupying lesions
DDx - Hepatomegaly
(infant)
5
- CHF
- Congenital infections
- Inborn errors of metabolism
- Anemias
- Tumors
DDx - Bruising and Leg Pain
(age?)
9
- Coagulation disorder
- Henoch-Schnolein purpura (HSP)
- Idiopathic thrombocytopenic purpura (ITP)
- Leukemia
- Viral infection
- Bacterial endocarditis
- Meningococcal septicemia
- Rocky Mountain spotted fever (RMSF)
- Systemic lupus erythematosus (SLE)