Centor Criteria Mnemonic: CENTOr 1. Cough absent or Can’t cough = +1 2. Exudates or Enlarged tonsils = +1 3. Nodes (Swollen tender anterior cervical lymph nodes) = +1 4. Temeperature >100.4 F = +1 5. Or: <15 years = +1 15-44 years = 0 ≥45 years = -1 Scoring
Tag: Pediatrics
Section Editor: Dr. Sujit Kumar Shrestha, MD Pediatrics, Fellowship Neonatology
Clinical Skills and Approaches 
Fever : Definition, Mechanism and Types
Definition of Fever Studies have found that the maximum normal oral temperature is 37.2ºC (98.9ºF) at 6 A.M. and 37.7ºC (99.9ºF) at 4 P.M.; these values define the 99th percentile for healthy individuals. Hence, an A.M. temperature of >37.2ºC (>98.9ºF ) or a P.M. temperature of >37.7ºC (>99.9ºF) would define…
Clinical Skills and Approaches 
Diabetic Ketosis without Acidosis
Ketosis and Ketonuria Ketosis and Ketonuria may occur whenever increased amounts of fat are metabolized, carbohydrate intake is restricted, or the diet rich in fats (either “hidden” or obvious). This state can occur in the following situations: a. Metabolic conditions: Diabetes mellitus Renal glycosuria Glycogen storage disease (von Gierke’s disease)…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Salter Harris Classification for Physeal Fracture: Mnemonic
In children, the growth plate (physis) is a zone of cartilate situated between the epiphysis and the metaphysis of long bones. Cartilage is weaker than bone and thus is a common site of fracture. The Salter-Harris classification consists of 5 different types of growth plate fractures based on the location…
Emergency Medicine 
Manual detorsion of testis in Testicular Torsion
Indications of Manual Detorsion It can serve as a temporizing measure to attempt to reperfuse the testis while the patient is awaiting definite surgical management. Contraindications of Manual Detorsion Manual detorsion is not recommended for torsion of duration >6-8 hours (prolonged ischemia leads to marked swelling and edema after which…
Emergency Medicine 
Pulmonary Embolism : Chest X-ray Signs
1. Classic presentation is normal X-ray in patient with dyspnea and hypoxia 2. Atelectasis or parenchymal abnormality (68%) 3. Elevated hemidiaphragm 4. Pleural effusion (Felson’s sign – pleural effusion on left > right) 5. Hampton’s hump: peripheral pleural based wedge-shaped density above the diaphragm due to pulmonary infarct 6. Westermark’s…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Modified Duke’s Criteria for Infective Endocarditis : Mnemonic
Bacterial Endocarditis FIVE PM, i.e. BE FIVE PM Blood culture positive for IE Endocardial involvement Fever Immunologic phenomena Vascular phenomena Echocardioraphy minor criteria (eliminated) Predisposition Microbiologic evidence Definite Diagnosis from Clinical Criteria: 2 (major) + 0 (minor) or 1 (major) + 3 (minor) or 0 (major) + 5 (minor) Look:…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Fever and Rash : Mnemonic Based Approach
Seven Killer Causes of Fever and Rash Mnemonic: SMARTTT Sepsis Meningococcemia Acute endocarditis Rocky mountain spotted fever Toxic erythemas Toxic epidermal necrolysis Travel-related infections Onset of Rash with “X” Days of Fever Mnemonic: Very Sick Person Must Take Double Eggs Varicella (Chicken pox): 1st day (rash is often 1st sign…