If-X-think-Y.xlsx

	A	B
1	If X, think Y
2	Version 0.1
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5	Biochem
6	Cardiology
7	Dermatology
8	Endocrinology
9	ENT
10	Gastro
11	Haematology
12	Immunology
13	Multi system disease
14	Musculo-skeletal
15	Neurology
16	Obs & Gynae
17	Opthalmology
18	Paeds
19	Psych
20	Renal
21	Respiratory
22	Rheumatology
23	T&O
24	Urology
25	Vascular
26
27	If X	Think Y
28	Biochem
29	Ca2+ ↔, phosphate ↔, ALP ↔	osteoporosis
30	Ca2+ ↔/↓, phosphate ↓, ALP ↑	osteomalacia
31	Ca2+ ↔, phosphate ↔, ALP ↑	pagets disease
32	PTH ↑, Ca ↑, phosphate ↓, ALP ↑	1o hyperparathyroidism
33	PTH ↑, Ca ↔, phosphate (↑ CKD) (↓ vit D def), ALP ↑	2o hyperparathyroidism
34	PTH ↑, Ca ↑, phosphate ↓, ALP ↑	3o hyperparathyroidism
35	PTH ↑, Ca ↓, phosphate ↑, ALP ↑	hypoparathyroidism
36	PTH ↔/↑, Ca ↓	pseudohypoparathyroidism
37	hepatocellular Ca	α-fetoprotein
38	testicular Ca	α-fetoprotein, B-HCG
39	choriocarcinoma	B-HCG
40	breast Ca	CA 15-3
41	ovarian Ca	CA 125
42	pancreatic Ca	Ca 19-9
43	colorectal Ca	CEA
44	multiple myeloma	monoclonal IgA (paraprotein)
45	twitching face, numb lips	hypo Ca2+
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47
48	Cardiology
49	boot shaped heart	tetralogy of fallot
50	globular shaped heart	cardiac tamponade
51	pleuritic chest pain eased by sitting up or leaning forward	percarditis
52	widened mediastinum post RTA	ruptured aorta
53	atypical chest pain in a diabetic	MI
54	recent MI, weeks later feverish, sharp chest pain	Dressler's syndrome
55	recent MI, now hypotension, ↑JVP on inspiration	pericardial effusion
56	continuous machine like murmur	PDA
57	chest pain 30 min after eating	oesophageal spasm
58	tingling sensation, then collapse	hyperventilation
59	murmur radiates to axilae	MR (Radiates)
60	giant a wave	tricuspid stenosis
61	canon a wave	3o heart block
62	large v waves	TR
63	absent a waves	atrial fibrillation
64	absent femoral pulse	coarctation of the aorta
65	blowing continuous sys and dia murmur, below clavicles, disappears on lying flat	venous hum
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68	Dermatology
69	golden/yellow crusted lesion	impetigo
70	dark brown, greasy, stuck on appearance	seborrhoeic warts (keratosis)
71	multiple painful, soft, mobile lumps	dercum's disease
72	purple, flat, well demarcated, on face	deep capillary naevus (port wine stain)
73	purple, flat, well demarcated, on face, now has new onset seizures	sturge-weber syndrome
74	target lesions	erythema multiforme
75	small papules or domes, with dimpled centre	molluscum contagiosum (pox virus)
76	anterolateral leg ulcer in diabetic, initially red nodule, now flat brown/yellow waxy	necrobiosis lopoidica
77	baby, new rapidly growing bright red rash on face	cavernous haemangioma (strawberry naevus)
78	dark velvety rash in aprmpits, neck	acanthosis nigricans
79	dark velvety rash in aprmpits, neck, weight loss, GI symptoms	GI malignancy
80	diabetic, depressed rash on legs	diabetic dermopathy
81	hypothyroid, brown, lacy rash on shins	erythema ab igne
82	well demarcated erythema, on cheek	erysipelas
83	lump with punctum	epidermal cyst (sebacous cyst)
84	pigmented lips & mouth	peutz jegures
85	coeliac disease, intensely itchy, blistering rash on extensors	dermatitis herpetiformis
86	baby started weaning, now rash oral & perianal, diarrhoea	acrodermatitis ateropathica
87	white lesions on tongue, can't wipe off	leukoplakia
88	lesion grew rapidly over 6/52, central necrotic plug	keratoacanthoma
89	everted edge	SCC
90	rolled, pearly edge	BCC aka Rodent ulcer
91	pink/brown flat lesion, scaly, on lower leg	Bowens disease
92	red spots in ring pattern	granuloma annulare
93	fingertip lesion, rapid grown, bleeds easliy	pyogenic granuloma
94	transplant patient, painless, purple lesion	kaposis sarcoma
95	crohns, deep bluish, well demarcated, ulcer on shins, then necrotic	pyoderma gangrenosum
96	IBD, painful red lesions on shins	erythema nodosum
97	lesion in site of previous trauma	marjolins ulcer
98	brown macules, rubbery skin lesions which tingle when pressed	neurofibromatosis type 1
99	pin point bleeding when plaque scraped off	Auspitz sign
100	pressure applied to edge of lesion causes epidermis to separate from dermis	Nikolsky sign