A. Parallel testing 2 screening tests are applied simultaneously: So, this test will have: B. Series testing After the 1st screening test is conducted, those who test positive are only tested with the 2nd screening test: So, this test will have: Formulae for combined specificity and sensitivity A. Parallel testing:…
Category: PGMEE, MRCS, USMLE, MBBS, MD/MS
Medical knowledge in bullet points with understandable language, simplified images and graspable mnemonics.
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Sustainable Development Goal 3 – Points to Remember
Total SDG goals: 17 Time frame: 2016-2030 Goal 3: Good health and well beings for all ages Important targets of Goal 3 (Targeted by 2030) A. Maternal and Child health (MCH) Mnemonic: 12 letters in “NEONATE DEATH or NEWBORN DEATH“. 1. NMR reduction target: 122. U5MR reduction target: 12 X…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Key Health Indicators of Nepal to Remember (NDHS, 2022)
These rates, ratios and proportions are often questioned in PGMEE, pediatrics, obstetrics and preventive and social medicine (PSM) or community medicine examinations. NDHS = National Demographic and Health Survey a. Neonatal mortality rate (NMR): 21 per 1000 live births (i.e. 3/4 of infant deaths) b. Infant mortality rate (IMR): 28…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Oncogenic Translocations to remember
t(8;14): Burkitt’s lymphoma t(14;18): Follicular lymphoma t(11;14): Mantle cell lymphoma t(11,18): Marginal zone lymphoma (MALT lymphoma) t(9;22): CML (Philadelphia chromosome), Bad prognosis ALL t(8;21): AML M2 t(15;17): AML M3 (Promyelocytic AML) t(X;18): Synovial cell sarcoma t(11;22): Ewing’s sarcoma t(12;21): Pre-B ALL (good prognosis ALL) t(4;11) and t(1;19): Bad prognosis ALL
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Coomb’s test : Mnemonic
Components of Coomb’s test: Mnemonic: ABCD A: Antibody (to be detected) B: Blood antigen (RBC) C: Coomb’s reagent (Anti-antibody) D: Detect agglutination Direct Coomb’s/Antiglobulin test (DAT or DCT): Mnemonic: In DAT/DCT we take A+B from patient and add C [(A+B) + C] Another Mnemonic: DCBA (Direct Coomb’s detect Blood Bound…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Protein C and S pathway – Mnemonic
Factor Va and VIIIa are different in coagulation cascade. They are the co-factors for factor Xa and IXa respectively. Another mnemonic: protein C Cuts Coagulation by Cutting Cofactors (Va and VIIIa) Protein S is cofactor for protein S. Protein C and S pathway using the mnemonic: Time To: Thrombin (factor…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Hematopoietic growth factors list with mnemonics
a. SCF (Steel factor): Multipontent stem cells b. IL-3: Myeloid stem cells (“3” turned down looks like “m“) c. IL-7: Lymphoid stem cell (“L” turned up looks like “7“) d. GM-CSF (Granulocyte macrophage Colony stimulating factor): Myeloid lineage (Erythrocytes, Thrombocytes, Granulocytes and Monocytes) Pharmaceutical: Sargramostim e. G-CSF: Granulocytes (Neutrophil, Eosinophil,…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Cell-Cell or Interceullular Junctions
Junction Location Composition Function Remarks Tight junction (Zonula occludens) Epithelial cell-Epithelial cell Claudin and Occludin (attaches to cytoskeleton – actin filament) Prevents paracellular movement of solutes and diffusion Adherens junction (Zonula adherens) Epithelial cell-Epithelial cell E-cadherin (attaches to cytoskeleton – actin filament) Belt desmosome (Anchoring) Cadherins are Ca2+ depndend adhesion…