Labs for previous case of teen with petechial rash. These sh | Figure 1

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Labs for previous case of teen with petechial rash. These should narrow down the diagnosis significantly.

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Patient has had these bruises popping up on his skin after moderately hard bumps against surfaces. States he has been getting these for 5 years now.
History IVDU remotely (>30 years ago)
Recently treated and cured of Hep C
Any ideas with the Ddx?

FFP transfusions for TTP

A 18-year old, previously healthy girl presented with history of bite from her own dog in the region of the middle finger of the right hand. He immidiately cleaned wound with water and soap, an also have used desinfectant. On the next dey she developed pain and swelling of that finger, and fever up to 37,8°C, but she also developed spontaneous bruises mostly on the right side of the body, with only few on the left. She denied mucosal bleeding of any kind, as also other symptoms. Physical exam showed what is seen on images. The rest of exam was unremarkable. The CBC, biochemistry and coagulation panel showed no abnormalit I didn't have an explanation for bruises in this case. I prescribed clindamycin 300 mg, qid, PO for wound infection (covering Capnocytophaga canimorsus on the first place) and planned follow up in a 2 days, but patient didn't show up.
What is your opinion?

50 year old patient. 72 hours of evolution. No medicines related. I am lost. Asked for hemogram, vdrl, hiv. No reventar trips. It is the third time they appear. Posible diagnosis? Any more exams?

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A 52-year-old man presented with a 20-minute history of chest pain radiating to the left shoulder and neck, associated with dyspnea and diaphoresis.
He had a history of hypertension, long-term smoking, and a sedentary lifestyle.
On physical examination, bibasilar crackles were noted on lung auscultation. An electrocardiogram (ECG) was performed in the primary care setting, and the patient was promptly referred to the emergency department.

A 28-year-old woman presented with a 3-day history of intense pruritus over the lower back. She reported no recent travel or exposure to new environments. She cares for a small kennel with approximately eight dogs rescued from the streets.
Physical examination revealed multiple small vesicles, some clustered and others scattered, predominantly involving the lumbar region and the left gluteal area.

A 4-month-old male infant presented with skin lesions localized to the chin for the past 3 days. Physical examination revealed multiple small pustules with surrounding inflammatory signs on the chin, along with a few scattered papules on the chest.

Patient in late teens presenting after a collapse, no chest pain, no previous cardiac history, no history of sudden death in family, are there any features in this ekg that would warrant further work-up or is this just a pediatric ekg?