Calculators, Clinical Scores, Flashcards & MCQ Prep — everything you need in one place
💊 Drug Dosage💉 IV Drip Rate🧮 Clinical Scores📇 Flashcards📝 MCQ Quiz🔬 Lab Values
⚠️Educational reference tool only. Always verify dosing with current clinical guidelines, a pharmacist, or supervising physician before administering any medication. Never use this tool for actual patient care decisions.
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Drug Dosage Calculator
Per-administration dose—
Total daily dose—
Capped to max single dose—
📖Common Drug Reference
Drug
Route
Standard Dose
Max Single
Max Daily
⚠️ Doses shown are standard adult reference ranges. Pediatric, renal, or hepatic adjustments may apply. Always verify.
⚠️Educational tool only. IV infusion rates must be ordered and verified by a licensed clinician. Always cross-check with your institution's drug formulary and nursing protocols.
💉IV Drip Rate Calculator
Drip rate (drops per minute)—
Flow rate (mL per hour)—
Formula:
Drip rate (gtts/min) = (Volume × Drop factor) ÷ (Time in hours × 60)
Flow rate (mL/hr) = Volume ÷ Time in hours
📋IV Fluid Quick Reference
Fluid
Composition
Use Case
Normal Saline (0.9% NaCl)
Na⁺ 154, Cl⁻ 154 mEq/L
Volume expansion, drug dilution, Na replacement
Lactated Ringer's (RL)
Na⁺ 130, K⁺ 4, Ca²⁺ 3, Cl⁻ 109, Lactate 28
Surgical patients, burns, trauma
5% Dextrose (D5W)
50 g/L dextrose
Free water replacement, hypoglycaemia
0.45% Saline (½NS)
Na⁺ 77, Cl⁻ 77 mEq/L
Maintenance, hypernatraemia correction
D5 in 0.45% Saline
Dextrose + ½NS
Paediatric maintenance
Hartmann's Solution
Similar to RL
Peri-operative, general resuscitation
Mannitol 20%
200 g/L mannitol
Raised ICP, acute glaucoma
Colloid (Albumin 4.5%)
Protein colloid
Volume expansion in hypoalbuminaemia
⚠️Educational tool only. BSA is used for drug dosing in some regimens — always confirm with current protocols. BMI classification applies to adults; different cutoffs apply for children and Asian populations.
⚠️Educational tool only. Clinical scores must be assessed at bedside with full clinical context. GCS and APGAR are learning aids here — actual scoring requires direct patient assessment.
🧠Glasgow Coma Scale (GCS)
1. Eye Opening Response (E)
2. Verbal Response (V)
3. Motor Response (M)
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GCS Total (E + V + M)
E = ? V = ? M = ?
Max score = 15 (fully conscious)
👶APGAR Score — Newborn Assessment
Assessed at 1 minute and 5 minutes after birth. Each criterion scored 0–2.
A — Appearance (Skin Colour)
P — Pulse (Heart Rate)
G — Grimace (Reflex Irritability)
A — Activity (Muscle Tone)
R — Respiration (Breathing Effort)
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APGAR Score (A+P+G+A+R)
Max = 10 · Scored at 1 min & 5 min
⚠️Educational tool only. Flashcard content is for study reference. Always cross-reference with your textbooks and course material.
📇Flashcard Study Mode
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ANSWER / DEFINITION
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✏️Create Custom Flashcards
⚠️Educational tool only. MCQ questions are for study purposes. Verify all answers against your course textbooks and current guidelines.
📝MCQ Quiz Mode
Select a topic and difficulty, then start your quiz:
Difficulty
Subject
Question 1 of 10Score: 0
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Per-Subject Scores
⚠️Reference ranges may vary between laboratories, patient age, sex, and assay method. Always interpret results in clinical context and use your institution's reference ranges.
🔬Normal Lab Values Reference
🧫Educational Game — Morphogenetic Fields: A morphogenetic field is the coordinating signal that guides cells to form specific shapes during embryonic development. In this simulation each coloured dot represents a cell. Activate the field to watch cells self-organise into your chosen shape — just like real morphogenesis!
🧫The Shape-Maker Game
Imagine you have many tiny building blocks — like cells! A Morphogenetic Field is like an invisible guide that tells these blocks where to go to make a specific shape.
Add cells, choose a shape, then hit Activate Field to watch morphogenesis in action!
🔵 Cells: 0
🎯 Status: Idle — Add cells to begin
🔬 The Real Science Behind This Game
Morphogenetic fields were first proposed by biologist Hans Spemann (Nobel 1935) to explain how embryonic cells "know" where to go and what to become.
In real biology, these fields are set up by morphogen gradients — molecules like Sonic Hedgehog (SHH), BMP, and Wnt — that diffuse from organising centres and create positional information.
Key concept: positional information — Lewis Wolpert's French Flag Model (1969) describes how cells read their position along a morphogen gradient and differentiate accordingly.
The simulation simplifies this: each cell receives a "target coordinate" from the field and moves toward it, mimicking chemotaxis.
Clinical relevance: Disruption of morphogenetic signalling causes congenital malformations.
Holoprosencephaly (SHH), polydactyly (SHH/Gli), cleft palate (TGF-β), and cardiac septal defects (Wnt/Notch) all arise from morphogen pathway mutations.
Medical Student Toolkit — 7 Clinical Tools in One App
Medical students face a unique challenge that other students don't: their exam content isn't abstract theory — it's information that, if recalled incorrectly in a clinical setting, can directly harm a patient. A wrong drug dose, a misread GCS score, or a missed lab value abnormality are not academic failures; they're clinical risks. The tools in this toolkit are designed to bridge the gap between learning and bedside application.
This toolkit was built with two specific users in mind: (1) MBBS students preparing for clinical exams (OSPE, OSCE, written papers) who need to practise both factual recall and applied calculations, and (2) junior doctors in their house jobs who need quick reference calculations at the ward or during on-calls without having to open large clinical reference apps.
⚕️ Clinical Disclaimer: This toolkit is for educational and reference purposes. All clinical decisions must be verified through your institution's protocols, the BNF, or senior clinical staff. Never administer medication or make clinical decisions based solely on this tool.
7 Tools Explained
1. Drug Dosage Calculator
Calculates weight-based doses for 30 commonly used drugs across paediatrics, emergency medicine, and general medicine. Applies maximum dose capping automatically. Supports kg and lb input.
2. IV Drip Rate Calculator
Calculates drops per minute (using standard 20 gtt/mL giving set) and mL/hour for IV infusions. Shows the formula (Volume ÷ Time × Drop Factor) and includes a quick reference table for common clinical scenarios.
3. BMI / BSA Calculator
Calculates BMI (WHO categories), Body Surface Area using the Mosteller formula (√[height(cm) × weight(kg) / 3600]), and Ideal Body Weight using the Devine formula — three values used regularly in clinical dosing and nutrition assessment.
4. GCS and APGAR Scores
Interactive radio-button scoring for both scales. GCS covers eye opening (E1–E4), verbal response (V1–V5), and motor response (M1–M6) with clinical interpretation. APGAR covers Appearance, Pulse, Grimace, Activity, Respiration (each 0–2) with neonatal interpretation.
5. Flashcards
Four pre-loaded decks (Pharmacology, Anatomy, Physiology, Pathology) with 12 cards each, plus a custom card creator with localStorage persistence. Cards flip on click; confidence rating tracks spaced repetition progress.
6. MCQ Quiz
60 questions across 6 topics (Medicine, Surgery, Pharmacology, Anatomy, Physiology, Pathology) — 10 per topic. Randomised question order, immediate feedback, explanation after each question, and final score with percentage.
7. Lab Values Reference
Searchable table of 60+ laboratory tests across 7 categories: Haematology, Biochemistry, Liver Function, Renal Function, Thyroid Function, Cardiac Markers, and Coagulation. Each entry shows normal range, critical values, and clinical significance.
Frequently Asked Questions
Which Pakistani medical exams is this toolkit most useful for?
The MCQ quiz and flashcards are most useful for MBBS Professional exams (1st, 2nd, and Final Prof), FCPS Part 1, and USMLE Step 1 preparation. The clinical calculators (drug dosing, GCS, drip rate) are most useful during house jobs and for OSPE/OSCE clinical station practice.
How accurate are the drug dose calculations?
The dose calculations use standard weight-based dose ranges from BNF and standard Pakistani pharmacology textbooks. Maximum doses are capped according to published limits. However, individual patient factors (renal function, hepatic function, drug interactions, allergies) can significantly alter appropriate dosing. Always verify clinical drug doses with the ward pharmacist or senior clinician.
Do my custom flashcards save between sessions?
Yes — custom flashcards are saved in your browser's localStorage and persist between sessions on the same device. Clearing browser data or using a private/incognito window will not preserve them. To back up your custom deck, use the export feature to save it as a JSON file you can import later.
What is the normal GCS for a conscious patient?
A fully conscious, oriented patient scores GCS 15: Eye Opening 4 (spontaneous) + Verbal 5 (oriented) + Motor 6 (obeys commands). GCS ≤8 indicates severe neurological injury and is the threshold at which airway protection is typically considered. GCS 9–12 is moderate impairment; GCS 13–15 is mild. The tool displays these interpretations automatically with the calculated score.
Can I use this tool offline during exams?
The toolkit runs in the browser and requires an initial internet connection to load. Once loaded, the flashcards, MCQ quiz, and calculators continue to function offline (since all logic is JavaScript). The lab values table is also fully offline-capable. Note: exam regulations vary — check whether your exam permits device use before relying on this tool in a formal examination setting.
How the Medical Toolkit Works — Eight Tools for Healthcare Education
The HashmiTools Medical Toolkit is a collection of eight interlinked clinical and educational tools designed for medical students, healthcare professionals, and anyone seeking evidence-based health information. Each tab serves a distinct purpose: the Drug Reference provides paediatric and adult dosing for commonly prescribed medications; the Normal Lab Values tab offers a comprehensive reference for interpreting blood tests, metabolic panels, and urinalysis; the Clinical Scores tab calculates validated risk-stratification scores (GCS, Wells, CURB-65, qSOFA); the Body Metrics tab computes BMI, ideal body weight, and BSA; the MCQ Quiz tests your knowledge across six USMLE/MBBS-aligned subjects; the Anatomy Atlas presents interactive region-based anatomy; and the Shape-Maker tab illustrates morphogenetic field theory with a physics-based cell simulation.
All calculations use validated medical formulas from established clinical guidelines. Drug doses reference standard paediatric pharmacopoeia values. Lab reference ranges follow WHO and AACC standards with Pakistani laboratory context noted where relevant. This toolkit is for educational reference only — all clinical decisions must be made by a qualified healthcare professional.
Who Should Use the Medical Toolkit
MBBS and BDS students preparing for university exams or USMLE Step 1 who need quick-access drug dosing and lab reference data without carrying multiple reference books.
Junior doctors and house officers who need to verify a paediatric drug dose or check a lab value reference range during a shift — a fast, reliable tool that works offline in the browser.
Nurses and paramedics who need accessible clinical score calculators (GCS, NEWS) and reference ranges for monitoring patients.
Medical educators who want a free, shareable resource for students to self-test with the MCQ bank across anatomy, physiology, pharmacology, pathology, and biochemistry.
Using the MCQ Quiz: Tips for Effective Medical Exam Preparation
The MCQ bank contains 200 questions across six subjects: 40 Anatomy, 40 Physiology, 40 Pharmacology, 30 Pathology, 30 Biochemistry, and 20 Clinical Medicine. Each question has been written at varying difficulty levels appropriate for Pakistani MBBS examinations, FCPS Part 1, and USMLE Step 1 preparation.
Use the subject filter strategically. Rather than attempting all 200 questions at once, filter by your weakest subject for focused revision. Research in medical education consistently shows that interleaved practice (mixing subjects) produces better long-term retention than blocked practice, but focused revision of weak areas is more efficient when time is limited before exams.
Review the explanation for every wrong answer. The explanation section is where learning happens — not just knowing the right answer, but understanding why each wrong option is incorrect. This is the high-yield approach recommended by USMLE educators.
Track your per-subject breakdown. The results screen shows your accuracy by subject. A consistent weakness in Pharmacology relative to Anatomy, for example, suggests you should prioritise pharmacokinetics and drug mechanism topics in your next revision session.
Frequently Asked Questions
Are the drug doses in this toolkit safe to use clinically?
The drug doses provided are standard reference values from established paediatric and adult pharmacopoeia sources. However, this toolkit is strictly for educational and reference purposes — it is not a clinical decision-support system. Actual drug prescribing must always account for the individual patient's weight, renal function, hepatic function, allergies, concurrent medications, and clinical context, and must be performed by or under the supervision of a licensed prescriber. Always verify doses against your institution's formulary or a current BNF/SPC before administering any medication. The Medical Toolkit specifically disclaims liability for any clinical decisions made based on its content.
Which clinical scores does the toolkit calculate?
The Clinical Scores tab calculates: Glasgow Coma Scale (GCS) for consciousness assessment; Wells Score for DVT and pulmonary embolism pre-test probability; CURB-65 for community-acquired pneumonia severity; qSOFA (quick Sequential Organ Failure Assessment) for early sepsis identification; and Body Surface Area (BSA) using the Mosteller formula. These are among the most widely used validated clinical scoring systems in emergency medicine, internal medicine, and critical care — relevant for both Pakistani and international clinical contexts.
What is morphogenetic field theory — why is it in a medical toolkit?
Morphogenetic fields are a concept in developmental biology describing how groups of cells receive positional information that guides them to form specific body structures during embryonic development. The term was coined by Hans Spemann and later formalised by Lewis Wolpert's French Flag Model, which explained how a gradient of a single signalling molecule (morphogen) across a tissue field can specify distinct cell fates. Key morphogens include Sonic Hedgehog (SHH), Bone Morphogenetic Proteins (BMPs), and Wnt proteins — all clinically relevant because mutations in these pathways cause congenital malformations studied in human embryology (a core MBBS subject). The Shape-Maker tab visualises this concept interactively: cells drift in space until a "field" activates and guides them to form a specific shape, simulating how morphogen gradients direct tissue patterning.
How often is the lab reference range data updated?
Lab reference ranges are reviewed and updated with each major toolkit release. Reference ranges are sourced from WHO, AACC (American Association for Clinical Chemistry), and where available, Pakistani laboratory society guidelines. It is important to note that reference ranges can vary between laboratories based on the equipment, reagents, and population calibration used — always interpret lab results against the reference range provided by the specific laboratory that performed the test. The values in this toolkit represent typical adult reference ranges and should be treated as a general guide, not an absolute standard.
Is this toolkit useful for FCPS Part 1 preparation in Pakistan?
Yes, the MCQ bank and drug reference sections are specifically valuable for FCPS Part 1 candidates. FCPS Part 1 in the basic sciences (Anatomy, Physiology, Biochemistry, Pharmacology, Pathology) covers content directly addressed by this toolkit's question bank. The Clinical Scores and Drug Reference tabs are particularly relevant for FCPS Part 2 candidates in surgical, medical, and emergency medicine specialties. The toolkit does not cover all FCPS content — it is a supplementary tool, not a comprehensive curriculum. Candidates should use it alongside CPSP-approved textbooks and past papers. Pharmacology questions in particular align well with standard FCPS Pharmacology topics.
Does the toolkit work offline?
The Medical Toolkit runs entirely in the browser using client-side JavaScript. Once the page has fully loaded, all eight tools (Drug Reference, Lab Values, Clinical Scores, Body Metrics, MCQ Quiz, Anatomy Atlas, Shape-Maker) function without an active internet connection. This makes it practical for use in clinical environments with restricted internet access, in hospital wards, or in remote areas with limited connectivity. Note that the initial page load requires internet to download the page and its resources; it is the subsequent use after loading that works offline.